Home / 6,865.20-9,474.12-4,034.64

Finding the Fourth Proportional to 6,865.20, 9,474.12 and 4,034.64

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Solution

The fourth proportional to 6,865.20, 9,474.12 and 4,034.64 is: 5,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.20 : 9,474.12 = 4,034.64 : x
  2. Step 2: Convert to fraction form
    6,865.20/9,474.12 = 4,034.64/x
  3. Step 3: Cross multiply
    6,865.20x = 9,474.12 × 4,034.64
  4. Step 4: Simplify right side
    6,865.20x = 38,224,663.52
  5. Step 5: Solve for x
    x = 38,224,663.52/6,865.20
  6. Step 6: Final answer
    x = 5,567.89

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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.