Home / 4,988.18-7,478.93-3,508.62

Finding the Fourth Proportional to 4,988.18, 7,478.93 and 3,508.62

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Solution

The fourth proportional to 4,988.18, 7,478.93 and 3,508.62 is: 5,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.18 : 7,478.93 = 3,508.62 : x
  2. Step 2: Convert to fraction form
    4,988.18/7,478.93 = 3,508.62/x
  3. Step 3: Cross multiply
    4,988.18x = 7,478.93 × 3,508.62
  4. Step 4: Simplify right side
    4,988.18x = 26,240,704.10
  5. Step 5: Solve for x
    x = 26,240,704.10/4,988.18
  6. Step 6: Final answer
    x = 5,260.57

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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.