Home / 5,490.16-8,233.20-3,407.08

Finding the Fourth Proportional to 5,490.16, 8,233.20 and 3,407.08

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Solution

The fourth proportional to 5,490.16, 8,233.20 and 3,407.08 is: 5,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.16 : 8,233.20 = 3,407.08 : x
  2. Step 2: Convert to fraction form
    5,490.16/8,233.20 = 3,407.08/x
  3. Step 3: Cross multiply
    5,490.16x = 8,233.20 × 3,407.08
  4. Step 4: Simplify right side
    5,490.16x = 28,051,171.06
  5. Step 5: Solve for x
    x = 28,051,171.06/5,490.16
  6. Step 6: Final answer
    x = 5,109.35

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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.