Home / 5,488.16-8,230.20-3,405.08

Finding the Fourth Proportional to 5,488.16, 8,230.20 and 3,405.08

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Solution

The fourth proportional to 5,488.16, 8,230.20 and 3,405.08 is: 5,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.16 : 8,230.20 = 3,405.08 : x
  2. Step 2: Convert to fraction form
    5,488.16/8,230.20 = 3,405.08/x
  3. Step 3: Cross multiply
    5,488.16x = 8,230.20 × 3,405.08
  4. Step 4: Simplify right side
    5,488.16x = 28,024,489.42
  5. Step 5: Solve for x
    x = 28,024,489.42/5,488.16
  6. Step 6: Final answer
    x = 5,106.35

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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.