Home / 9,000.40-12,415.56-5,273.68

Finding the Fourth Proportional to 9,000.40, 12,415.56 and 5,273.68

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Solution

The fourth proportional to 9,000.40, 12,415.56 and 5,273.68 is: 7,274.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.40 : 12,415.56 = 5,273.68 : x
  2. Step 2: Convert to fraction form
    9,000.40/12,415.56 = 5,273.68/x
  3. Step 3: Cross multiply
    9,000.40x = 12,415.56 × 5,273.68
  4. Step 4: Simplify right side
    9,000.40x = 65,475,690.46
  5. Step 5: Solve for x
    x = 65,475,690.46/9,000.40
  6. Step 6: Final answer
    x = 7,274.75

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Similar ratio
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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.