Home / 5,543.56-8,313.72-2,620

Finding the Fourth Proportional to 5,543.56, 8,313.72 and 2,620

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Solution

The fourth proportional to 5,543.56, 8,313.72 and 2,620 is: 3,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.56 : 8,313.72 = 2,620 : x
  2. Step 2: Convert to fraction form
    5,543.56/8,313.72 = 2,620/x
  3. Step 3: Cross multiply
    5,543.56x = 8,313.72 × 2,620
  4. Step 4: Simplify right side
    5,543.56x = 21,781,946.40
  5. Step 5: Solve for x
    x = 21,781,946.40/5,543.56
  6. Step 6: Final answer
    x = 3,929.23

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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.