Home / 5,390.07-7,435.17-3,397.17

Finding the Fourth Proportional to 5,390.07, 7,435.17 and 3,397.17

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Solution

The fourth proportional to 5,390.07, 7,435.17 and 3,397.17 is: 4,686.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.07 : 7,435.17 = 3,397.17 : x
  2. Step 2: Convert to fraction form
    5,390.07/7,435.17 = 3,397.17/x
  3. Step 3: Cross multiply
    5,390.07x = 7,435.17 × 3,397.17
  4. Step 4: Simplify right side
    5,390.07x = 25,258,536.47
  5. Step 5: Solve for x
    x = 25,258,536.47/5,390.07
  6. Step 6: Final answer
    x = 4,686.12

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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.