Home / 8,865.21-12,234.08-4,886.48

Finding the Fourth Proportional to 8,865.21, 12,234.08 and 4,886.48

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Solution

The fourth proportional to 8,865.21, 12,234.08 and 4,886.48 is: 6,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.21 : 12,234.08 = 4,886.48 : x
  2. Step 2: Convert to fraction form
    8,865.21/12,234.08 = 4,886.48/x
  3. Step 3: Cross multiply
    8,865.21x = 12,234.08 × 4,886.48
  4. Step 4: Simplify right side
    8,865.21x = 59,781,501.64
  5. Step 5: Solve for x
    x = 59,781,501.64/8,865.21
  6. Step 6: Final answer
    x = 6,743.38

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Half scale
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Double scale
Find fourth proportional to 8,866.21, 12,235.46 and 4,887.48
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.