Home / 5,420.57-8,134.02-2,300.36

Finding the Fourth Proportional to 5,420.57, 8,134.02 and 2,300.36

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Solution

The fourth proportional to 5,420.57, 8,134.02 and 2,300.36 is: 3,451.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.57 : 8,134.02 = 2,300.36 : x
  2. Step 2: Convert to fraction form
    5,420.57/8,134.02 = 2,300.36/x
  3. Step 3: Cross multiply
    5,420.57x = 8,134.02 × 2,300.36
  4. Step 4: Simplify right side
    5,420.57x = 18,711,133.58
  5. Step 5: Solve for x
    x = 18,711,133.58/5,420.57
  6. Step 6: Final answer
    x = 3,451.88

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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.