Home / 5,386.04-7,432.70-3,397.88

Finding the Fourth Proportional to 5,386.04, 7,432.70 and 3,397.88

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Solution

The fourth proportional to 5,386.04, 7,432.70 and 3,397.88 is: 4,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.04 : 7,432.70 = 3,397.88 : x
  2. Step 2: Convert to fraction form
    5,386.04/7,432.70 = 3,397.88/x
  3. Step 3: Cross multiply
    5,386.04x = 7,432.70 × 3,397.88
  4. Step 4: Simplify right side
    5,386.04x = 25,255,422.68
  5. Step 5: Solve for x
    x = 25,255,422.68/5,386.04
  6. Step 6: Final answer
    x = 4,689.05

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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.