Home / 7,525.58-10,387.03-5,007.80

Finding the Fourth Proportional to 7,525.58, 10,387.03 and 5,007.80

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Solution

The fourth proportional to 7,525.58, 10,387.03 and 5,007.80 is: 6,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.58 : 10,387.03 = 5,007.80 : x
  2. Step 2: Convert to fraction form
    7,525.58/10,387.03 = 5,007.80/x
  3. Step 3: Cross multiply
    7,525.58x = 10,387.03 × 5,007.80
  4. Step 4: Simplify right side
    7,525.58x = 52,016,104.38
  5. Step 5: Solve for x
    x = 52,016,104.38/7,525.58
  6. Step 6: Final answer
    x = 6,911.90

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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.