Home / 5,370.48-7,411.23-3,132.18

Finding the Fourth Proportional to 5,370.48, 7,411.23 and 3,132.18

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Solution

The fourth proportional to 5,370.48, 7,411.23 and 3,132.18 is: 4,322.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.48 : 7,411.23 = 3,132.18 : x
  2. Step 2: Convert to fraction form
    5,370.48/7,411.23 = 3,132.18/x
  3. Step 3: Cross multiply
    5,370.48x = 7,411.23 × 3,132.18
  4. Step 4: Simplify right side
    5,370.48x = 23,213,306.38
  5. Step 5: Solve for x
    x = 23,213,306.38/5,370.48
  6. Step 6: Final answer
    x = 4,322.39

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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.