Home / 10,276.77-15,408.72-4,723.02

Finding the Fourth Proportional to 10,276.77, 15,408.72 and 4,723.02

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Solution

The fourth proportional to 10,276.77, 15,408.72 and 4,723.02 is: 7,081.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.77 : 15,408.72 = 4,723.02 : x
  2. Step 2: Convert to fraction form
    10,276.77/15,408.72 = 4,723.02/x
  3. Step 3: Cross multiply
    10,276.77x = 15,408.72 × 4,723.02
  4. Step 4: Simplify right side
    10,276.77x = 72,775,692.73
  5. Step 5: Solve for x
    x = 72,775,692.73/10,276.77
  6. Step 6: Final answer
    x = 7,081.57

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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.