Home / 6,087.40-9,131.10-2,806.90

Finding the Fourth Proportional to 6,087.40, 9,131.10 and 2,806.90

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Solution

The fourth proportional to 6,087.40, 9,131.10 and 2,806.90 is: 4,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,087.40 : 9,131.10 = 2,806.90 : x
  2. Step 2: Convert to fraction form
    6,087.40/9,131.10 = 2,806.90/x
  3. Step 3: Cross multiply
    6,087.40x = 9,131.10 × 2,806.90
  4. Step 4: Simplify right side
    6,087.40x = 25,630,084.59
  5. Step 5: Solve for x
    x = 25,630,084.59/6,087.40
  6. Step 6: Final answer
    x = 4,210.35

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Similar ratio
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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.