Home / 5,433.61-8,139.83-4,006.25

Finding the Fourth Proportional to 5,433.61, 8,139.83 and 4,006.25

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Solution

The fourth proportional to 5,433.61, 8,139.83 and 4,006.25 is: 6,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.61 : 8,139.83 = 4,006.25 : x
  2. Step 2: Convert to fraction form
    5,433.61/8,139.83 = 4,006.25/x
  3. Step 3: Cross multiply
    5,433.61x = 8,139.83 × 4,006.25
  4. Step 4: Simplify right side
    5,433.61x = 32,610,163.25
  5. Step 5: Solve for x
    x = 32,610,163.25/5,433.61
  6. Step 6: Final answer
    x = 6,001.57

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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.