Home / 4,371.80-6,557.70-4,314.20

Finding the Fourth Proportional to 4,371.80, 6,557.70 and 4,314.20

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Solution

The fourth proportional to 4,371.80, 6,557.70 and 4,314.20 is: 6,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,371.80 : 6,557.70 = 4,314.20 : x
  2. Step 2: Convert to fraction form
    4,371.80/6,557.70 = 4,314.20/x
  3. Step 3: Cross multiply
    4,371.80x = 6,557.70 × 4,314.20
  4. Step 4: Simplify right side
    4,371.80x = 28,291,229.34
  5. Step 5: Solve for x
    x = 28,291,229.34/4,371.80
  6. Step 6: Final answer
    x = 6,471.30

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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.