Home / 7,442.28-11,165.40-2,248.32

Finding the Fourth Proportional to 7,442.28, 11,165.40 and 2,248.32

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Solution

The fourth proportional to 7,442.28, 11,165.40 and 2,248.32 is: 3,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.28 : 11,165.40 = 2,248.32 : x
  2. Step 2: Convert to fraction form
    7,442.28/11,165.40 = 2,248.32/x
  3. Step 3: Cross multiply
    7,442.28x = 11,165.40 × 2,248.32
  4. Step 4: Simplify right side
    7,442.28x = 25,103,392.13
  5. Step 5: Solve for x
    x = 25,103,392.13/7,442.28
  6. Step 6: Final answer
    x = 3,373.08

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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.