Home / 6,982.47-10,488.69-4,387.23

Finding the Fourth Proportional to 6,982.47, 10,488.69 and 4,387.23

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Solution

The fourth proportional to 6,982.47, 10,488.69 and 4,387.23 is: 6,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.47 : 10,488.69 = 4,387.23 : x
  2. Step 2: Convert to fraction form
    6,982.47/10,488.69 = 4,387.23/x
  3. Step 3: Cross multiply
    6,982.47x = 10,488.69 × 4,387.23
  4. Step 4: Simplify right side
    6,982.47x = 46,016,295.43
  5. Step 5: Solve for x
    x = 46,016,295.43/6,982.47
  6. Step 6: Final answer
    x = 6,590.26

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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.