Home / 5,638.24-8,461.20-2,562.40

Finding the Fourth Proportional to 5,638.24, 8,461.20 and 2,562.40

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Solution

The fourth proportional to 5,638.24, 8,461.20 and 2,562.40 is: 3,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.24 : 8,461.20 = 2,562.40 : x
  2. Step 2: Convert to fraction form
    5,638.24/8,461.20 = 2,562.40/x
  3. Step 3: Cross multiply
    5,638.24x = 8,461.20 × 2,562.40
  4. Step 4: Simplify right side
    5,638.24x = 21,680,978.88
  5. Step 5: Solve for x
    x = 21,680,978.88/5,638.24
  6. Step 6: Final answer
    x = 3,845.35

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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.