Home / 6,385.17-9,577.76-1,705.20

Finding the Fourth Proportional to 6,385.17, 9,577.76 and 1,705.20

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Solution

The fourth proportional to 6,385.17, 9,577.76 and 1,705.20 is: 2,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.17 : 9,577.76 = 1,705.20 : x
  2. Step 2: Convert to fraction form
    6,385.17/9,577.76 = 1,705.20/x
  3. Step 3: Cross multiply
    6,385.17x = 9,577.76 × 1,705.20
  4. Step 4: Simplify right side
    6,385.17x = 16,331,987.83
  5. Step 5: Solve for x
    x = 16,331,987.83/6,385.17
  6. Step 6: Final answer
    x = 2,557.80

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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.