Home / 8,079.93-11,150.37-4,543.11

Finding the Fourth Proportional to 8,079.93, 11,150.37 and 4,543.11

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Solution

The fourth proportional to 8,079.93, 11,150.37 and 4,543.11 is: 6,269.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.93 : 11,150.37 = 4,543.11 : x
  2. Step 2: Convert to fraction form
    8,079.93/11,150.37 = 4,543.11/x
  3. Step 3: Cross multiply
    8,079.93x = 11,150.37 × 4,543.11
  4. Step 4: Simplify right side
    8,079.93x = 50,657,357.45
  5. Step 5: Solve for x
    x = 50,657,357.45/8,079.93
  6. Step 6: Final answer
    x = 6,269.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.