Home / 7,392.30-11,086.62-4,428.90

Finding the Fourth Proportional to 7,392.30, 11,086.62 and 4,428.90

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Solution

The fourth proportional to 7,392.30, 11,086.62 and 4,428.90 is: 6,642.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.30 : 11,086.62 = 4,428.90 : x
  2. Step 2: Convert to fraction form
    7,392.30/11,086.62 = 4,428.90/x
  3. Step 3: Cross multiply
    7,392.30x = 11,086.62 × 4,428.90
  4. Step 4: Simplify right side
    7,392.30x = 49,101,531.32
  5. Step 5: Solve for x
    x = 49,101,531.32/7,392.30
  6. Step 6: Final answer
    x = 6,642.25

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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.