Home / 5,350.13-7,386.42-3,490.37

Finding the Fourth Proportional to 5,350.13, 7,386.42 and 3,490.37

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Solution

The fourth proportional to 5,350.13, 7,386.42 and 3,490.37 is: 4,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.13 : 7,386.42 = 3,490.37 : x
  2. Step 2: Convert to fraction form
    5,350.13/7,386.42 = 3,490.37/x
  3. Step 3: Cross multiply
    5,350.13x = 7,386.42 × 3,490.37
  4. Step 4: Simplify right side
    5,350.13x = 25,781,301.84
  5. Step 5: Solve for x
    x = 25,781,301.84/5,350.13
  6. Step 6: Final answer
    x = 4,818.82

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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.