Home / 7,339.20-11,001.36-4,403.76

Finding the Fourth Proportional to 7,339.20, 11,001.36 and 4,403.76

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Solution

The fourth proportional to 7,339.20, 11,001.36 and 4,403.76 is: 6,601.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.20 : 11,001.36 = 4,403.76 : x
  2. Step 2: Convert to fraction form
    7,339.20/11,001.36 = 4,403.76/x
  3. Step 3: Cross multiply
    7,339.20x = 11,001.36 × 4,403.76
  4. Step 4: Simplify right side
    7,339.20x = 48,447,349.11
  5. Step 5: Solve for x
    x = 48,447,349.11/7,339.20
  6. Step 6: Final answer
    x = 6,601.18

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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.