Home / 4,988.79-7,476.17-3,888.27

Finding the Fourth Proportional to 4,988.79, 7,476.17 and 3,888.27

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Solution

The fourth proportional to 4,988.79, 7,476.17 and 3,888.27 is: 5,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.79 : 7,476.17 = 3,888.27 : x
  2. Step 2: Convert to fraction form
    4,988.79/7,476.17 = 3,888.27/x
  3. Step 3: Cross multiply
    4,988.79x = 7,476.17 × 3,888.27
  4. Step 4: Simplify right side
    4,988.79x = 29,069,348.08
  5. Step 5: Solve for x
    x = 29,069,348.08/4,988.79
  6. Step 6: Final answer
    x = 5,826.93

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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.