Home / 4,988.08-6,883.08-2,891.92

Finding the Fourth Proportional to 4,988.08, 6,883.08 and 2,891.92

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Solution

The fourth proportional to 4,988.08, 6,883.08 and 2,891.92 is: 3,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.08 : 6,883.08 = 2,891.92 : x
  2. Step 2: Convert to fraction form
    4,988.08/6,883.08 = 2,891.92/x
  3. Step 3: Cross multiply
    4,988.08x = 6,883.08 × 2,891.92
  4. Step 4: Simplify right side
    4,988.08x = 19,905,316.71
  5. Step 5: Solve for x
    x = 19,905,316.71/4,988.08
  6. Step 6: Final answer
    x = 3,990.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.