Home / 7,525.47-11,286.39-3,140.55

Finding the Fourth Proportional to 7,525.47, 11,286.39 and 3,140.55

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Solution

The fourth proportional to 7,525.47, 11,286.39 and 3,140.55 is: 4,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.47 : 11,286.39 = 3,140.55 : x
  2. Step 2: Convert to fraction form
    7,525.47/11,286.39 = 3,140.55/x
  3. Step 3: Cross multiply
    7,525.47x = 11,286.39 × 3,140.55
  4. Step 4: Simplify right side
    7,525.47x = 35,445,472.11
  5. Step 5: Solve for x
    x = 35,445,472.11/7,525.47
  6. Step 6: Final answer
    x = 4,710.07

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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.