Home / 7,520.98-10,366.53-5,654.74

Finding the Fourth Proportional to 7,520.98, 10,366.53 and 5,654.74

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Solution

The fourth proportional to 7,520.98, 10,366.53 and 5,654.74 is: 7,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.98 : 10,366.53 = 5,654.74 : x
  2. Step 2: Convert to fraction form
    7,520.98/10,366.53 = 5,654.74/x
  3. Step 3: Cross multiply
    7,520.98x = 10,366.53 × 5,654.74
  4. Step 4: Simplify right side
    7,520.98x = 58,620,031.85
  5. Step 5: Solve for x
    x = 58,620,031.85/7,520.98
  6. Step 6: Final answer
    x = 7,794.20

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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.