Home / 5,400.29-8,101.53-2,068.30

Finding the Fourth Proportional to 5,400.29, 8,101.53 and 2,068.30

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Solution

The fourth proportional to 5,400.29, 8,101.53 and 2,068.30 is: 3,102.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.29 : 8,101.53 = 2,068.30 : x
  2. Step 2: Convert to fraction form
    5,400.29/8,101.53 = 2,068.30/x
  3. Step 3: Cross multiply
    5,400.29x = 8,101.53 × 2,068.30
  4. Step 4: Simplify right side
    5,400.29x = 16,756,394.50
  5. Step 5: Solve for x
    x = 16,756,394.50/5,400.29
  6. Step 6: Final answer
    x = 3,102.87

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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.