Home / 7,527.42-10,387.42-4,170.18

Finding the Fourth Proportional to 7,527.42, 10,387.42 and 4,170.18

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Solution

The fourth proportional to 7,527.42, 10,387.42 and 4,170.18 is: 5,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.42 : 10,387.42 = 4,170.18 : x
  2. Step 2: Convert to fraction form
    7,527.42/10,387.42 = 4,170.18/x
  3. Step 3: Cross multiply
    7,527.42x = 10,387.42 × 4,170.18
  4. Step 4: Simplify right side
    7,527.42x = 43,317,411.14
  5. Step 5: Solve for x
    x = 43,317,411.14/7,527.42
  6. Step 6: Final answer
    x = 5,754.62

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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.