Home / 8,911.49-12,298.01-4,878.65

Finding the Fourth Proportional to 8,911.49, 12,298.01 and 4,878.65

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Solution

The fourth proportional to 8,911.49, 12,298.01 and 4,878.65 is: 6,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.49 : 12,298.01 = 4,878.65 : x
  2. Step 2: Convert to fraction form
    8,911.49/12,298.01 = 4,878.65/x
  3. Step 3: Cross multiply
    8,911.49x = 12,298.01 × 4,878.65
  4. Step 4: Simplify right side
    8,911.49x = 59,997,692.84
  5. Step 5: Solve for x
    x = 59,997,692.84/8,911.49
  6. Step 6: Final answer
    x = 6,732.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.