Home / 8,012.20-11,988.72-4,851.46

Finding the Fourth Proportional to 8,012.20, 11,988.72 and 4,851.46

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Solution

The fourth proportional to 8,012.20, 11,988.72 and 4,851.46 is: 7,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.20 : 11,988.72 = 4,851.46 : x
  2. Step 2: Convert to fraction form
    8,012.20/11,988.72 = 4,851.46/x
  3. Step 3: Cross multiply
    8,012.20x = 11,988.72 × 4,851.46
  4. Step 4: Simplify right side
    8,012.20x = 58,162,795.53
  5. Step 5: Solve for x
    x = 58,162,795.53/8,012.20
  6. Step 6: Final answer
    x = 7,259.28

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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.