Home / 5,343.20-8,014.80-3,039.20

Finding the Fourth Proportional to 5,343.20, 8,014.80 and 3,039.20

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Solution

The fourth proportional to 5,343.20, 8,014.80 and 3,039.20 is: 4,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.20 : 8,014.80 = 3,039.20 : x
  2. Step 2: Convert to fraction form
    5,343.20/8,014.80 = 3,039.20/x
  3. Step 3: Cross multiply
    5,343.20x = 8,014.80 × 3,039.20
  4. Step 4: Simplify right side
    5,343.20x = 24,358,580.16
  5. Step 5: Solve for x
    x = 24,358,580.16/5,343.20
  6. Step 6: Final answer
    x = 4,558.80

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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.