Home / 7,359.12-11,039.40-2,428.92

Finding the Fourth Proportional to 7,359.12, 11,039.40 and 2,428.92

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Solution

The fourth proportional to 7,359.12, 11,039.40 and 2,428.92 is: 3,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.12 : 11,039.40 = 2,428.92 : x
  2. Step 2: Convert to fraction form
    7,359.12/11,039.40 = 2,428.92/x
  3. Step 3: Cross multiply
    7,359.12x = 11,039.40 × 2,428.92
  4. Step 4: Simplify right side
    7,359.12x = 26,813,819.45
  5. Step 5: Solve for x
    x = 26,813,819.45/7,359.12
  6. Step 6: Final answer
    x = 3,643.62

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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.