Home / 5,038.61-7,558.52-1,340.90

Finding the Fourth Proportional to 5,038.61, 7,558.52 and 1,340.90

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Solution

The fourth proportional to 5,038.61, 7,558.52 and 1,340.90 is: 2,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.61 : 7,558.52 = 1,340.90 : x
  2. Step 2: Convert to fraction form
    5,038.61/7,558.52 = 1,340.90/x
  3. Step 3: Cross multiply
    5,038.61x = 7,558.52 × 1,340.90
  4. Step 4: Simplify right side
    5,038.61x = 10,135,245.83
  5. Step 5: Solve for x
    x = 10,135,245.83/5,038.61
  6. Step 6: Final answer
    x = 2,011.52

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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.