Home / 7,520.10-10,357.65-6,525.42

Finding the Fourth Proportional to 7,520.10, 10,357.65 and 6,525.42

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Solution

The fourth proportional to 7,520.10, 10,357.65 and 6,525.42 is: 8,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.10 : 10,357.65 = 6,525.42 : x
  2. Step 2: Convert to fraction form
    7,520.10/10,357.65 = 6,525.42/x
  3. Step 3: Cross multiply
    7,520.10x = 10,357.65 × 6,525.42
  4. Step 4: Simplify right side
    7,520.10x = 67,588,016.46
  5. Step 5: Solve for x
    x = 67,588,016.46/7,520.10
  6. Step 6: Final answer
    x = 8,987.65

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Half scale
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Double scale
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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.