Home / 7,542.58-11,318.28-3,159.67

Finding the Fourth Proportional to 7,542.58, 11,318.28 and 3,159.67

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Solution

The fourth proportional to 7,542.58, 11,318.28 and 3,159.67 is: 4,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.58 : 11,318.28 = 3,159.67 : x
  2. Step 2: Convert to fraction form
    7,542.58/11,318.28 = 3,159.67/x
  3. Step 3: Cross multiply
    7,542.58x = 11,318.28 × 3,159.67
  4. Step 4: Simplify right side
    7,542.58x = 35,761,957.38
  5. Step 5: Solve for x
    x = 35,761,957.38/7,542.58
  6. Step 6: Final answer
    x = 4,741.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.