Home / 5,378.43-7,417.31-3,488.04

Finding the Fourth Proportional to 5,378.43, 7,417.31 and 3,488.04

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Solution

The fourth proportional to 5,378.43, 7,417.31 and 3,488.04 is: 4,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.43 : 7,417.31 = 3,488.04 : x
  2. Step 2: Convert to fraction form
    5,378.43/7,417.31 = 3,488.04/x
  3. Step 3: Cross multiply
    5,378.43x = 7,417.31 × 3,488.04
  4. Step 4: Simplify right side
    5,378.43x = 25,871,856.53
  5. Step 5: Solve for x
    x = 25,871,856.53/5,378.43
  6. Step 6: Final answer
    x = 4,810.30

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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.