Home / 6,774.08-10,165.45-2,878.49

Finding the Fourth Proportional to 6,774.08, 10,165.45 and 2,878.49

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Solution

The fourth proportional to 6,774.08, 10,165.45 and 2,878.49 is: 4,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.08 : 10,165.45 = 2,878.49 : x
  2. Step 2: Convert to fraction form
    6,774.08/10,165.45 = 2,878.49/x
  3. Step 3: Cross multiply
    6,774.08x = 10,165.45 × 2,878.49
  4. Step 4: Simplify right side
    6,774.08x = 29,261,146.17
  5. Step 5: Solve for x
    x = 29,261,146.17/6,774.08
  6. Step 6: Final answer
    x = 4,319.57

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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.