Home / 5,543.28-8,312.48-2,078.10

Finding the Fourth Proportional to 5,543.28, 8,312.48 and 2,078.10

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Solution

The fourth proportional to 5,543.28, 8,312.48 and 2,078.10 is: 3,116.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.28 : 8,312.48 = 2,078.10 : x
  2. Step 2: Convert to fraction form
    5,543.28/8,312.48 = 2,078.10/x
  3. Step 3: Cross multiply
    5,543.28x = 8,312.48 × 2,078.10
  4. Step 4: Simplify right side
    5,543.28x = 17,274,164.69
  5. Step 5: Solve for x
    x = 17,274,164.69/5,543.28
  6. Step 6: Final answer
    x = 3,116.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.