Home / 5,372.16-7,412.76-3,013.80

Finding the Fourth Proportional to 5,372.16, 7,412.76 and 3,013.80

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Solution

The fourth proportional to 5,372.16, 7,412.76 and 3,013.80 is: 4,158.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.16 : 7,412.76 = 3,013.80 : x
  2. Step 2: Convert to fraction form
    5,372.16/7,412.76 = 3,013.80/x
  3. Step 3: Cross multiply
    5,372.16x = 7,412.76 × 3,013.80
  4. Step 4: Simplify right side
    5,372.16x = 22,340,576.09
  5. Step 5: Solve for x
    x = 22,340,576.09/5,372.16
  6. Step 6: Final answer
    x = 4,158.58

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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.