Home / 9,620.48-13,277.28-5,427.92

Finding the Fourth Proportional to 9,620.48, 13,277.28 and 5,427.92

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Solution

The fourth proportional to 9,620.48, 13,277.28 and 5,427.92 is: 7,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.48 : 13,277.28 = 5,427.92 : x
  2. Step 2: Convert to fraction form
    9,620.48/13,277.28 = 5,427.92/x
  3. Step 3: Cross multiply
    9,620.48x = 13,277.28 × 5,427.92
  4. Step 4: Simplify right side
    9,620.48x = 72,068,013.66
  5. Step 5: Solve for x
    x = 72,068,013.66/9,620.48
  6. Step 6: Final answer
    x = 7,491.10

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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.