Home / 7,711.63-10,642.03-4,174.83

Finding the Fourth Proportional to 7,711.63, 10,642.03 and 4,174.83

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Solution

The fourth proportional to 7,711.63, 10,642.03 and 4,174.83 is: 5,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.63 : 10,642.03 = 4,174.83 : x
  2. Step 2: Convert to fraction form
    7,711.63/10,642.03 = 4,174.83/x
  3. Step 3: Cross multiply
    7,711.63x = 10,642.03 × 4,174.83
  4. Step 4: Simplify right side
    7,711.63x = 44,428,655.67
  5. Step 5: Solve for x
    x = 44,428,655.67/7,711.63
  6. Step 6: Final answer
    x = 5,761.26

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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.