Home / 8,952.30-13,428.71-4,272.81

Finding the Fourth Proportional to 8,952.30, 13,428.71 and 4,272.81

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Solution

The fourth proportional to 8,952.30, 13,428.71 and 4,272.81 is: 6,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.30 : 13,428.71 = 4,272.81 : x
  2. Step 2: Convert to fraction form
    8,952.30/13,428.71 = 4,272.81/x
  3. Step 3: Cross multiply
    8,952.30x = 13,428.71 × 4,272.81
  4. Step 4: Simplify right side
    8,952.30x = 57,378,294.71
  5. Step 5: Solve for x
    x = 57,378,294.71/8,952.30
  6. Step 6: Final answer
    x = 6,409.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.