Home / 7,529.22-10,390.41-4,385.70

Finding the Fourth Proportional to 7,529.22, 10,390.41 and 4,385.70

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Solution

The fourth proportional to 7,529.22, 10,390.41 and 4,385.70 is: 6,052.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.22 : 10,390.41 = 4,385.70 : x
  2. Step 2: Convert to fraction form
    7,529.22/10,390.41 = 4,385.70/x
  3. Step 3: Cross multiply
    7,529.22x = 10,390.41 × 4,385.70
  4. Step 4: Simplify right side
    7,529.22x = 45,569,221.14
  5. Step 5: Solve for x
    x = 45,569,221.14/7,529.22
  6. Step 6: Final answer
    x = 6,052.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.