Home / 6,587.16-9,880.74-2,640.22

Finding the Fourth Proportional to 6,587.16, 9,880.74 and 2,640.22

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Solution

The fourth proportional to 6,587.16, 9,880.74 and 2,640.22 is: 3,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,587.16 : 9,880.74 = 2,640.22 : x
  2. Step 2: Convert to fraction form
    6,587.16/9,880.74 = 2,640.22/x
  3. Step 3: Cross multiply
    6,587.16x = 9,880.74 × 2,640.22
  4. Step 4: Simplify right side
    6,587.16x = 26,087,327.36
  5. Step 5: Solve for x
    x = 26,087,327.36/6,587.16
  6. Step 6: Final answer
    x = 3,960.33

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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.