Home / 8,112.66-12,182.88-5,011.02

Finding the Fourth Proportional to 8,112.66, 12,182.88 and 5,011.02

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Solution

The fourth proportional to 8,112.66, 12,182.88 and 5,011.02 is: 7,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.66 : 12,182.88 = 5,011.02 : x
  2. Step 2: Convert to fraction form
    8,112.66/12,182.88 = 5,011.02/x
  3. Step 3: Cross multiply
    8,112.66x = 12,182.88 × 5,011.02
  4. Step 4: Simplify right side
    8,112.66x = 61,048,655.34
  5. Step 5: Solve for x
    x = 61,048,655.34/8,112.66
  6. Step 6: Final answer
    x = 7,525.11

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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.