Home / 8,865.49-12,234.63-4,886.86

Finding the Fourth Proportional to 8,865.49, 12,234.63 and 4,886.86

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Solution

The fourth proportional to 8,865.49, 12,234.63 and 4,886.86 is: 6,744.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.49 : 12,234.63 = 4,886.86 : x
  2. Step 2: Convert to fraction form
    8,865.49/12,234.63 = 4,886.86/x
  3. Step 3: Cross multiply
    8,865.49x = 12,234.63 × 4,886.86
  4. Step 4: Simplify right side
    8,865.49x = 59,788,923.96
  5. Step 5: Solve for x
    x = 59,788,923.96/8,865.49
  6. Step 6: Final answer
    x = 6,744.01

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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.