Home / 7,378.17-11,045.39-4,447.59

Finding the Fourth Proportional to 7,378.17, 11,045.39 and 4,447.59

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Solution

The fourth proportional to 7,378.17, 11,045.39 and 4,447.59 is: 6,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.17 : 11,045.39 = 4,447.59 : x
  2. Step 2: Convert to fraction form
    7,378.17/11,045.39 = 4,447.59/x
  3. Step 3: Cross multiply
    7,378.17x = 11,045.39 × 4,447.59
  4. Step 4: Simplify right side
    7,378.17x = 49,125,343.87
  5. Step 5: Solve for x
    x = 49,125,343.87/7,378.17
  6. Step 6: Final answer
    x = 6,658.20

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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.