Home / 8,035.12-12,041.74-5,108.18

Finding the Fourth Proportional to 8,035.12, 12,041.74 and 5,108.18

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Solution

The fourth proportional to 8,035.12, 12,041.74 and 5,108.18 is: 7,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,035.12 : 12,041.74 = 5,108.18 : x
  2. Step 2: Convert to fraction form
    8,035.12/12,041.74 = 5,108.18/x
  3. Step 3: Cross multiply
    8,035.12x = 12,041.74 × 5,108.18
  4. Step 4: Simplify right side
    8,035.12x = 61,511,375.43
  5. Step 5: Solve for x
    x = 61,511,375.43/8,035.12
  6. Step 6: Final answer
    x = 7,655.32

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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.