Home / 7,527.07-10,386.55-4,169.80

Finding the Fourth Proportional to 7,527.07, 10,386.55 and 4,169.80

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Solution

The fourth proportional to 7,527.07, 10,386.55 and 4,169.80 is: 5,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.07 : 10,386.55 = 4,169.80 : x
  2. Step 2: Convert to fraction form
    7,527.07/10,386.55 = 4,169.80/x
  3. Step 3: Cross multiply
    7,527.07x = 10,386.55 × 4,169.80
  4. Step 4: Simplify right side
    7,527.07x = 43,309,836.19
  5. Step 5: Solve for x
    x = 43,309,836.19/7,527.07
  6. Step 6: Final answer
    x = 5,753.88

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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.