Home / 5,308.08-7,962.12-4,077.69

Finding the Fourth Proportional to 5,308.08, 7,962.12 and 4,077.69

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Solution

The fourth proportional to 5,308.08, 7,962.12 and 4,077.69 is: 6,116.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.08 : 7,962.12 = 4,077.69 : x
  2. Step 2: Convert to fraction form
    5,308.08/7,962.12 = 4,077.69/x
  3. Step 3: Cross multiply
    5,308.08x = 7,962.12 × 4,077.69
  4. Step 4: Simplify right side
    5,308.08x = 32,467,057.10
  5. Step 5: Solve for x
    x = 32,467,057.10/5,308.08
  6. Step 6: Final answer
    x = 6,116.54

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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.