Home / 7,538.60-10,401.54-4,553.48

Finding the Fourth Proportional to 7,538.60, 10,401.54 and 4,553.48

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Solution

The fourth proportional to 7,538.60, 10,401.54 and 4,553.48 is: 6,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.60 : 10,401.54 = 4,553.48 : x
  2. Step 2: Convert to fraction form
    7,538.60/10,401.54 = 4,553.48/x
  3. Step 3: Cross multiply
    7,538.60x = 10,401.54 × 4,553.48
  4. Step 4: Simplify right side
    7,538.60x = 47,363,204.36
  5. Step 5: Solve for x
    x = 47,363,204.36/7,538.60
  6. Step 6: Final answer
    x = 6,282.76

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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.