Home / 4,885.65-7,327.92-1,422.90

Finding the Fourth Proportional to 4,885.65, 7,327.92 and 1,422.90

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Solution

The fourth proportional to 4,885.65, 7,327.92 and 1,422.90 is: 2,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.65 : 7,327.92 = 1,422.90 : x
  2. Step 2: Convert to fraction form
    4,885.65/7,327.92 = 1,422.90/x
  3. Step 3: Cross multiply
    4,885.65x = 7,327.92 × 1,422.90
  4. Step 4: Simplify right side
    4,885.65x = 10,426,897.37
  5. Step 5: Solve for x
    x = 10,426,897.37/4,885.65
  6. Step 6: Final answer
    x = 2,134.19

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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.