Home / 5,135.53-7,089.06-3,461.71

Finding the Fourth Proportional to 5,135.53, 7,089.06 and 3,461.71

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Solution

The fourth proportional to 5,135.53, 7,089.06 and 3,461.71 is: 4,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.53 : 7,089.06 = 3,461.71 : x
  2. Step 2: Convert to fraction form
    5,135.53/7,089.06 = 3,461.71/x
  3. Step 3: Cross multiply
    5,135.53x = 7,089.06 × 3,461.71
  4. Step 4: Simplify right side
    5,135.53x = 24,540,269.89
  5. Step 5: Solve for x
    x = 24,540,269.89/5,135.53
  6. Step 6: Final answer
    x = 4,778.53

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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.