Home / 9,079.74-12,530.70-5,543.64

Finding the Fourth Proportional to 9,079.74, 12,530.70 and 5,543.64

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Solution

The fourth proportional to 9,079.74, 12,530.70 and 5,543.64 is: 7,650.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.74 : 12,530.70 = 5,543.64 : x
  2. Step 2: Convert to fraction form
    9,079.74/12,530.70 = 5,543.64/x
  3. Step 3: Cross multiply
    9,079.74x = 12,530.70 × 5,543.64
  4. Step 4: Simplify right side
    9,079.74x = 69,465,689.75
  5. Step 5: Solve for x
    x = 69,465,689.75/9,079.74
  6. Step 6: Final answer
    x = 7,650.63

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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.