Home / 5,428.18-8,126.25-4,047.58

Finding the Fourth Proportional to 5,428.18, 8,126.25 and 4,047.58

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Solution

The fourth proportional to 5,428.18, 8,126.25 and 4,047.58 is: 6,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.18 : 8,126.25 = 4,047.58 : x
  2. Step 2: Convert to fraction form
    5,428.18/8,126.25 = 4,047.58/x
  3. Step 3: Cross multiply
    5,428.18x = 8,126.25 × 4,047.58
  4. Step 4: Simplify right side
    5,428.18x = 32,891,646.98
  5. Step 5: Solve for x
    x = 32,891,646.98/5,428.18
  6. Step 6: Final answer
    x = 6,059.42

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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.