Home / 7,542.40-10,408.62-4,557.82

Finding the Fourth Proportional to 7,542.40, 10,408.62 and 4,557.82

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Solution

The fourth proportional to 7,542.40, 10,408.62 and 4,557.82 is: 6,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.40 : 10,408.62 = 4,557.82 : x
  2. Step 2: Convert to fraction form
    7,542.40/10,408.62 = 4,557.82/x
  3. Step 3: Cross multiply
    7,542.40x = 10,408.62 × 4,557.82
  4. Step 4: Simplify right side
    7,542.40x = 47,440,616.41
  5. Step 5: Solve for x
    x = 47,440,616.41/7,542.40
  6. Step 6: Final answer
    x = 6,289.86

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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.