Home / 8,460.34-12,692.56-2,616.95

Finding the Fourth Proportional to 8,460.34, 12,692.56 and 2,616.95

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Solution

The fourth proportional to 8,460.34, 12,692.56 and 2,616.95 is: 3,926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.34 : 12,692.56 = 2,616.95 : x
  2. Step 2: Convert to fraction form
    8,460.34/12,692.56 = 2,616.95/x
  3. Step 3: Cross multiply
    8,460.34x = 12,692.56 × 2,616.95
  4. Step 4: Simplify right side
    8,460.34x = 33,215,724.89
  5. Step 5: Solve for x
    x = 33,215,724.89/8,460.34
  6. Step 6: Final answer
    x = 3,926.05

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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.