Home / 8,220.58-12,343.17-6,572.26

Finding the Fourth Proportional to 8,220.58, 12,343.17 and 6,572.26

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Solution

The fourth proportional to 8,220.58, 12,343.17 and 6,572.26 is: 9,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.58 : 12,343.17 = 6,572.26 : x
  2. Step 2: Convert to fraction form
    8,220.58/12,343.17 = 6,572.26/x
  3. Step 3: Cross multiply
    8,220.58x = 12,343.17 × 6,572.26
  4. Step 4: Simplify right side
    8,220.58x = 81,122,522.46
  5. Step 5: Solve for x
    x = 81,122,522.46/8,220.58
  6. Step 6: Final answer
    x = 9,868.22

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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.