Home / 5,613.48-8,420.25-2,682.90

Finding the Fourth Proportional to 5,613.48, 8,420.25 and 2,682.90

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Solution

The fourth proportional to 5,613.48, 8,420.25 and 2,682.90 is: 4,024.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.48 : 8,420.25 = 2,682.90 : x
  2. Step 2: Convert to fraction form
    5,613.48/8,420.25 = 2,682.90/x
  3. Step 3: Cross multiply
    5,613.48x = 8,420.25 × 2,682.90
  4. Step 4: Simplify right side
    5,613.48x = 22,590,688.73
  5. Step 5: Solve for x
    x = 22,590,688.73/5,613.48
  6. Step 6: Final answer
    x = 4,024.36

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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.