Home / 8,642.53-12,965.50-3,094.39

Finding the Fourth Proportional to 8,642.53, 12,965.50 and 3,094.39

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Solution

The fourth proportional to 8,642.53, 12,965.50 and 3,094.39 is: 4,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642.53 : 12,965.50 = 3,094.39 : x
  2. Step 2: Convert to fraction form
    8,642.53/12,965.50 = 3,094.39/x
  3. Step 3: Cross multiply
    8,642.53x = 12,965.50 × 3,094.39
  4. Step 4: Simplify right side
    8,642.53x = 40,120,260.69
  5. Step 5: Solve for x
    x = 40,120,260.69/8,642.53
  6. Step 6: Final answer
    x = 4,642.19

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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.