Home / 5,630.40-8,433.24-3,649.08

Finding the Fourth Proportional to 5,630.40, 8,433.24 and 3,649.08

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Solution

The fourth proportional to 5,630.40, 8,433.24 and 3,649.08 is: 5,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.40 : 8,433.24 = 3,649.08 : x
  2. Step 2: Convert to fraction form
    5,630.40/8,433.24 = 3,649.08/x
  3. Step 3: Cross multiply
    5,630.40x = 8,433.24 × 3,649.08
  4. Step 4: Simplify right side
    5,630.40x = 30,773,567.42
  5. Step 5: Solve for x
    x = 30,773,567.42/5,630.40
  6. Step 6: Final answer
    x = 5,465.61

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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.