Home / 7,341.50-10,135.20-5,744.78

Finding the Fourth Proportional to 7,341.50, 10,135.20 and 5,744.78

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Solution

The fourth proportional to 7,341.50, 10,135.20 and 5,744.78 is: 7,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.50 : 10,135.20 = 5,744.78 : x
  2. Step 2: Convert to fraction form
    7,341.50/10,135.20 = 5,744.78/x
  3. Step 3: Cross multiply
    7,341.50x = 10,135.20 × 5,744.78
  4. Step 4: Simplify right side
    7,341.50x = 58,224,494.26
  5. Step 5: Solve for x
    x = 58,224,494.26/7,341.50
  6. Step 6: Final answer
    x = 7,930.87

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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.