Home / 5,776.30-8,663.10-1,878.58

Finding the Fourth Proportional to 5,776.30, 8,663.10 and 1,878.58

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Solution

The fourth proportional to 5,776.30, 8,663.10 and 1,878.58 is: 2,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.30 : 8,663.10 = 1,878.58 : x
  2. Step 2: Convert to fraction form
    5,776.30/8,663.10 = 1,878.58/x
  3. Step 3: Cross multiply
    5,776.30x = 8,663.10 × 1,878.58
  4. Step 4: Simplify right side
    5,776.30x = 16,274,326.40
  5. Step 5: Solve for x
    x = 16,274,326.40/5,776.30
  6. Step 6: Final answer
    x = 2,817.43

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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.