Home / 5,358.71-7,390.08-3,677.15

Finding the Fourth Proportional to 5,358.71, 7,390.08 and 3,677.15

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Solution

The fourth proportional to 5,358.71, 7,390.08 and 3,677.15 is: 5,071.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.71 : 7,390.08 = 3,677.15 : x
  2. Step 2: Convert to fraction form
    5,358.71/7,390.08 = 3,677.15/x
  3. Step 3: Cross multiply
    5,358.71x = 7,390.08 × 3,677.15
  4. Step 4: Simplify right side
    5,358.71x = 27,174,395.72
  5. Step 5: Solve for x
    x = 27,174,395.72/5,358.71
  6. Step 6: Final answer
    x = 5,071.08

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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.