Home / 7,515.99-11,275.01-3,132.42

Finding the Fourth Proportional to 7,515.99, 11,275.01 and 3,132.42

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Solution

The fourth proportional to 7,515.99, 11,275.01 and 3,132.42 is: 4,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.99 : 11,275.01 = 3,132.42 : x
  2. Step 2: Convert to fraction form
    7,515.99/11,275.01 = 3,132.42/x
  3. Step 3: Cross multiply
    7,515.99x = 11,275.01 × 3,132.42
  4. Step 4: Simplify right side
    7,515.99x = 35,318,066.82
  5. Step 5: Solve for x
    x = 35,318,066.82/7,515.99
  6. Step 6: Final answer
    x = 4,699.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.