Home / 8,510.19-11,742.32-4,972.71

Finding the Fourth Proportional to 8,510.19, 11,742.32 and 4,972.71

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Solution

The fourth proportional to 8,510.19, 11,742.32 and 4,972.71 is: 6,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.19 : 11,742.32 = 4,972.71 : x
  2. Step 2: Convert to fraction form
    8,510.19/11,742.32 = 4,972.71/x
  3. Step 3: Cross multiply
    8,510.19x = 11,742.32 × 4,972.71
  4. Step 4: Simplify right side
    8,510.19x = 58,391,152.09
  5. Step 5: Solve for x
    x = 58,391,152.09/8,510.19
  6. Step 6: Final answer
    x = 6,861.32

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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.