Home / 7,527.45-10,387.58-4,170.07

Finding the Fourth Proportional to 7,527.45, 10,387.58 and 4,170.07

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Solution

The fourth proportional to 7,527.45, 10,387.58 and 4,170.07 is: 5,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.45 : 10,387.58 = 4,170.07 : x
  2. Step 2: Convert to fraction form
    7,527.45/10,387.58 = 4,170.07/x
  3. Step 3: Cross multiply
    7,527.45x = 10,387.58 × 4,170.07
  4. Step 4: Simplify right side
    7,527.45x = 43,316,935.73
  5. Step 5: Solve for x
    x = 43,316,935.73/7,527.45
  6. Step 6: Final answer
    x = 5,754.53

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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.