Home / 8,730.22-12,047.67-5,147.26

Finding the Fourth Proportional to 8,730.22, 12,047.67 and 5,147.26

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Solution

The fourth proportional to 8,730.22, 12,047.67 and 5,147.26 is: 7,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.22 : 12,047.67 = 5,147.26 : x
  2. Step 2: Convert to fraction form
    8,730.22/12,047.67 = 5,147.26/x
  3. Step 3: Cross multiply
    8,730.22x = 12,047.67 × 5,147.26
  4. Step 4: Simplify right side
    8,730.22x = 62,012,489.88
  5. Step 5: Solve for x
    x = 62,012,489.88/8,730.22
  6. Step 6: Final answer
    x = 7,103.20

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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.