Home / 7,490.60-11,239.05-4,023.80

Finding the Fourth Proportional to 7,490.60, 11,239.05 and 4,023.80

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Solution

The fourth proportional to 7,490.60, 11,239.05 and 4,023.80 is: 6,037.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.60 : 11,239.05 = 4,023.80 : x
  2. Step 2: Convert to fraction form
    7,490.60/11,239.05 = 4,023.80/x
  3. Step 3: Cross multiply
    7,490.60x = 11,239.05 × 4,023.80
  4. Step 4: Simplify right side
    7,490.60x = 45,223,689.39
  5. Step 5: Solve for x
    x = 45,223,689.39/7,490.60
  6. Step 6: Final answer
    x = 6,037.39

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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.