Home / 5,520.68-8,281.14-1,625.48

Finding the Fourth Proportional to 5,520.68, 8,281.14 and 1,625.48

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Solution

The fourth proportional to 5,520.68, 8,281.14 and 1,625.48 is: 2,438.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.68 : 8,281.14 = 1,625.48 : x
  2. Step 2: Convert to fraction form
    5,520.68/8,281.14 = 1,625.48/x
  3. Step 3: Cross multiply
    5,520.68x = 8,281.14 × 1,625.48
  4. Step 4: Simplify right side
    5,520.68x = 13,460,827.45
  5. Step 5: Solve for x
    x = 13,460,827.45/5,520.68
  6. Step 6: Final answer
    x = 2,438.26

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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.