Home / 8,865.47-12,234.34-4,886.66

Finding the Fourth Proportional to 8,865.47, 12,234.34 and 4,886.66

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Solution

The fourth proportional to 8,865.47, 12,234.34 and 4,886.66 is: 6,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.47 : 12,234.34 = 4,886.66 : x
  2. Step 2: Convert to fraction form
    8,865.47/12,234.34 = 4,886.66/x
  3. Step 3: Cross multiply
    8,865.47x = 12,234.34 × 4,886.66
  4. Step 4: Simplify right side
    8,865.47x = 59,785,117.23
  5. Step 5: Solve for x
    x = 59,785,117.23/8,865.47
  6. Step 6: Final answer
    x = 6,743.60

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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.