Home / 7,428.45-11,124.96-4,301.85

Finding the Fourth Proportional to 7,428.45, 11,124.96 and 4,301.85

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Solution

The fourth proportional to 7,428.45, 11,124.96 and 4,301.85 is: 6,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.45 : 11,124.96 = 4,301.85 : x
  2. Step 2: Convert to fraction form
    7,428.45/11,124.96 = 4,301.85/x
  3. Step 3: Cross multiply
    7,428.45x = 11,124.96 × 4,301.85
  4. Step 4: Simplify right side
    7,428.45x = 47,857,909.18
  5. Step 5: Solve for x
    x = 47,857,909.18/7,428.45
  6. Step 6: Final answer
    x = 6,442.52

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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.