Home / 5,005.10-7,507.65-2,408.30

Finding the Fourth Proportional to 5,005.10, 7,507.65 and 2,408.30

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Solution

The fourth proportional to 5,005.10, 7,507.65 and 2,408.30 is: 3,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.10 : 7,507.65 = 2,408.30 : x
  2. Step 2: Convert to fraction form
    5,005.10/7,507.65 = 2,408.30/x
  3. Step 3: Cross multiply
    5,005.10x = 7,507.65 × 2,408.30
  4. Step 4: Simplify right side
    5,005.10x = 18,080,673.50
  5. Step 5: Solve for x
    x = 18,080,673.50/5,005.10
  6. Step 6: Final answer
    x = 3,612.45

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Similar ratio
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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.