Home / 4,742.88-6,543.76-3,062.75

Finding the Fourth Proportional to 4,742.88, 6,543.76 and 3,062.75

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Solution

The fourth proportional to 4,742.88, 6,543.76 and 3,062.75 is: 4,225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.88 : 6,543.76 = 3,062.75 : x
  2. Step 2: Convert to fraction form
    4,742.88/6,543.76 = 3,062.75/x
  3. Step 3: Cross multiply
    4,742.88x = 6,543.76 × 3,062.75
  4. Step 4: Simplify right side
    4,742.88x = 20,041,900.94
  5. Step 5: Solve for x
    x = 20,041,900.94/4,742.88
  6. Step 6: Final answer
    x = 4,225.68

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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.