Home / 5,541.40-8,312.10-5,176.90

Finding the Fourth Proportional to 5,541.40, 8,312.10 and 5,176.90

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Solution

The fourth proportional to 5,541.40, 8,312.10 and 5,176.90 is: 7,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.40 : 8,312.10 = 5,176.90 : x
  2. Step 2: Convert to fraction form
    5,541.40/8,312.10 = 5,176.90/x
  3. Step 3: Cross multiply
    5,541.40x = 8,312.10 × 5,176.90
  4. Step 4: Simplify right side
    5,541.40x = 43,030,910.49
  5. Step 5: Solve for x
    x = 43,030,910.49/5,541.40
  6. Step 6: Final answer
    x = 7,765.35

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Similar ratio
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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.