Home / 5,551.12-8,328.98-4,077.88

Finding the Fourth Proportional to 5,551.12, 8,328.98 and 4,077.88

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Solution

The fourth proportional to 5,551.12, 8,328.98 and 4,077.88 is: 6,118.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.12 : 8,328.98 = 4,077.88 : x
  2. Step 2: Convert to fraction form
    5,551.12/8,328.98 = 4,077.88/x
  3. Step 3: Cross multiply
    5,551.12x = 8,328.98 × 4,077.88
  4. Step 4: Simplify right side
    5,551.12x = 33,964,580.96
  5. Step 5: Solve for x
    x = 33,964,580.96/5,551.12
  6. Step 6: Final answer
    x = 6,118.51

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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.