Home / 5,587.80-8,381.43-2,077.80

Finding the Fourth Proportional to 5,587.80, 8,381.43 and 2,077.80

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Solution

The fourth proportional to 5,587.80, 8,381.43 and 2,077.80 is: 3,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.80 : 8,381.43 = 2,077.80 : x
  2. Step 2: Convert to fraction form
    5,587.80/8,381.43 = 2,077.80/x
  3. Step 3: Cross multiply
    5,587.80x = 8,381.43 × 2,077.80
  4. Step 4: Simplify right side
    5,587.80x = 17,414,935.25
  5. Step 5: Solve for x
    x = 17,414,935.25/5,587.80
  6. Step 6: Final answer
    x = 3,116.60

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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.