Home / 4,327.06-6,490.90-1,553.75

Finding the Fourth Proportional to 4,327.06, 6,490.90 and 1,553.75

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Solution

The fourth proportional to 4,327.06, 6,490.90 and 1,553.75 is: 2,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.06 : 6,490.90 = 1,553.75 : x
  2. Step 2: Convert to fraction form
    4,327.06/6,490.90 = 1,553.75/x
  3. Step 3: Cross multiply
    4,327.06x = 6,490.90 × 1,553.75
  4. Step 4: Simplify right side
    4,327.06x = 10,085,235.88
  5. Step 5: Solve for x
    x = 10,085,235.88/4,327.06
  6. Step 6: Final answer
    x = 2,330.74

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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.