Home / 9,142.37-13,713.56-3,298.98

Finding the Fourth Proportional to 9,142.37, 13,713.56 and 3,298.98

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Solution

The fourth proportional to 9,142.37, 13,713.56 and 3,298.98 is: 4,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.37 : 13,713.56 = 3,298.98 : x
  2. Step 2: Convert to fraction form
    9,142.37/13,713.56 = 3,298.98/x
  3. Step 3: Cross multiply
    9,142.37x = 13,713.56 × 3,298.98
  4. Step 4: Simplify right side
    9,142.37x = 45,240,760.17
  5. Step 5: Solve for x
    x = 45,240,760.17/9,142.37
  6. Step 6: Final answer
    x = 4,948.47

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Double scale
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Similar ratio
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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.