Home / 5,417.40-8,115.30-2,948.52

Finding the Fourth Proportional to 5,417.40, 8,115.30 and 2,948.52

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Solution

The fourth proportional to 5,417.40, 8,115.30 and 2,948.52 is: 4,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.40 : 8,115.30 = 2,948.52 : x
  2. Step 2: Convert to fraction form
    5,417.40/8,115.30 = 2,948.52/x
  3. Step 3: Cross multiply
    5,417.40x = 8,115.30 × 2,948.52
  4. Step 4: Simplify right side
    5,417.40x = 23,928,124.36
  5. Step 5: Solve for x
    x = 23,928,124.36/5,417.40
  6. Step 6: Final answer
    x = 4,416.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.