Home / 5,400.60-8,100.29-2,281.10

Finding the Fourth Proportional to 5,400.60, 8,100.29 and 2,281.10

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Solution

The fourth proportional to 5,400.60, 8,100.29 and 2,281.10 is: 3,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.60 : 8,100.29 = 2,281.10 : x
  2. Step 2: Convert to fraction form
    5,400.60/8,100.29 = 2,281.10/x
  3. Step 3: Cross multiply
    5,400.60x = 8,100.29 × 2,281.10
  4. Step 4: Simplify right side
    5,400.60x = 18,477,519.61
  5. Step 5: Solve for x
    x = 18,477,519.61/5,400.60
  6. Step 6: Final answer
    x = 3,421.38

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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.