Home / 8,982.90-12,395.88-5,004.18

Finding the Fourth Proportional to 8,982.90, 12,395.88 and 5,004.18

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Solution

The fourth proportional to 8,982.90, 12,395.88 and 5,004.18 is: 6,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.90 : 12,395.88 = 5,004.18 : x
  2. Step 2: Convert to fraction form
    8,982.90/12,395.88 = 5,004.18/x
  3. Step 3: Cross multiply
    8,982.90x = 12,395.88 × 5,004.18
  4. Step 4: Simplify right side
    8,982.90x = 62,031,214.78
  5. Step 5: Solve for x
    x = 62,031,214.78/8,982.90
  6. Step 6: Final answer
    x = 6,905.48

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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.