Home / 8,154.07-11,252.72-4,617.20

Finding the Fourth Proportional to 8,154.07, 11,252.72 and 4,617.20

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Solution

The fourth proportional to 8,154.07, 11,252.72 and 4,617.20 is: 6,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.07 : 11,252.72 = 4,617.20 : x
  2. Step 2: Convert to fraction form
    8,154.07/11,252.72 = 4,617.20/x
  3. Step 3: Cross multiply
    8,154.07x = 11,252.72 × 4,617.20
  4. Step 4: Simplify right side
    8,154.07x = 51,956,098.46
  5. Step 5: Solve for x
    x = 51,956,098.46/8,154.07
  6. Step 6: Final answer
    x = 6,371.80

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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.