Home / 8,506.12-12,761.88-4,347.22

Finding the Fourth Proportional to 8,506.12, 12,761.88 and 4,347.22

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Solution

The fourth proportional to 8,506.12, 12,761.88 and 4,347.22 is: 6,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.12 : 12,761.88 = 4,347.22 : x
  2. Step 2: Convert to fraction form
    8,506.12/12,761.88 = 4,347.22/x
  3. Step 3: Cross multiply
    8,506.12x = 12,761.88 × 4,347.22
  4. Step 4: Simplify right side
    8,506.12x = 55,478,699.97
  5. Step 5: Solve for x
    x = 55,478,699.97/8,506.12
  6. Step 6: Final answer
    x = 6,522.21

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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.