Home / 5,381.77-8,057.61-2,907.72

Finding the Fourth Proportional to 5,381.77, 8,057.61 and 2,907.72

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Solution

The fourth proportional to 5,381.77, 8,057.61 and 2,907.72 is: 4,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.77 : 8,057.61 = 2,907.72 : x
  2. Step 2: Convert to fraction form
    5,381.77/8,057.61 = 2,907.72/x
  3. Step 3: Cross multiply
    5,381.77x = 8,057.61 × 2,907.72
  4. Step 4: Simplify right side
    5,381.77x = 23,429,273.75
  5. Step 5: Solve for x
    x = 23,429,273.75/5,381.77
  6. Step 6: Final answer
    x = 4,353.46

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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.