Home / 4,587.39-6,881.09-1,990.13

Finding the Fourth Proportional to 4,587.39, 6,881.09 and 1,990.13

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Solution

The fourth proportional to 4,587.39, 6,881.09 and 1,990.13 is: 2,985.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,587.39 : 6,881.09 = 1,990.13 : x
  2. Step 2: Convert to fraction form
    4,587.39/6,881.09 = 1,990.13/x
  3. Step 3: Cross multiply
    4,587.39x = 6,881.09 × 1,990.13
  4. Step 4: Simplify right side
    4,587.39x = 13,694,219.29
  5. Step 5: Solve for x
    x = 13,694,219.29/4,587.39
  6. Step 6: Final answer
    x = 2,985.19

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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.