Home / 5,343.60-8,019.45-3,494.10

Finding the Fourth Proportional to 5,343.60, 8,019.45 and 3,494.10

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Solution

The fourth proportional to 5,343.60, 8,019.45 and 3,494.10 is: 5,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.60 : 8,019.45 = 3,494.10 : x
  2. Step 2: Convert to fraction form
    5,343.60/8,019.45 = 3,494.10/x
  3. Step 3: Cross multiply
    5,343.60x = 8,019.45 × 3,494.10
  4. Step 4: Simplify right side
    5,343.60x = 28,020,760.25
  5. Step 5: Solve for x
    x = 28,020,760.25/5,343.60
  6. Step 6: Final answer
    x = 5,243.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.