Home / 5,561.28-7,667.10-4,613.58

Finding the Fourth Proportional to 5,561.28, 7,667.10 and 4,613.58

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Solution

The fourth proportional to 5,561.28, 7,667.10 and 4,613.58 is: 6,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.28 : 7,667.10 = 4,613.58 : x
  2. Step 2: Convert to fraction form
    5,561.28/7,667.10 = 4,613.58/x
  3. Step 3: Cross multiply
    5,561.28x = 7,667.10 × 4,613.58
  4. Step 4: Simplify right side
    5,561.28x = 35,372,779.22
  5. Step 5: Solve for x
    x = 35,372,779.22/5,561.28
  6. Step 6: Final answer
    x = 6,360.55

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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.