Home / 7,527.47-10,387.50-4,170.08

Finding the Fourth Proportional to 7,527.47, 10,387.50 and 4,170.08

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Solution

The fourth proportional to 7,527.47, 10,387.50 and 4,170.08 is: 5,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.47 : 10,387.50 = 4,170.08 : x
  2. Step 2: Convert to fraction form
    7,527.47/10,387.50 = 4,170.08/x
  3. Step 3: Cross multiply
    7,527.47x = 10,387.50 × 4,170.08
  4. Step 4: Simplify right side
    7,527.47x = 43,316,716.33
  5. Step 5: Solve for x
    x = 43,316,716.33/7,527.47
  6. Step 6: Final answer
    x = 5,754.48

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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.