Home / 5,625.40-8,437.14-1,728.76

Finding the Fourth Proportional to 5,625.40, 8,437.14 and 1,728.76

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Solution

The fourth proportional to 5,625.40, 8,437.14 and 1,728.76 is: 2,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.40 : 8,437.14 = 1,728.76 : x
  2. Step 2: Convert to fraction form
    5,625.40/8,437.14 = 1,728.76/x
  3. Step 3: Cross multiply
    5,625.40x = 8,437.14 × 1,728.76
  4. Step 4: Simplify right side
    5,625.40x = 14,585,790.15
  5. Step 5: Solve for x
    x = 14,585,790.15/5,625.40
  6. Step 6: Final answer
    x = 2,592.84

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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.