Home / 7,248.32-10,869.92-3,142.08

Finding the Fourth Proportional to 7,248.32, 10,869.92 and 3,142.08

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Solution

The fourth proportional to 7,248.32, 10,869.92 and 3,142.08 is: 4,712.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.32 : 10,869.92 = 3,142.08 : x
  2. Step 2: Convert to fraction form
    7,248.32/10,869.92 = 3,142.08/x
  3. Step 3: Cross multiply
    7,248.32x = 10,869.92 × 3,142.08
  4. Step 4: Simplify right side
    7,248.32x = 34,154,158.23
  5. Step 5: Solve for x
    x = 34,154,158.23/7,248.32
  6. Step 6: Final answer
    x = 4,712.01

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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.