Home / 5,407.48-8,115.36-4,185.52

Finding the Fourth Proportional to 5,407.48, 8,115.36 and 4,185.52

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Solution

The fourth proportional to 5,407.48, 8,115.36 and 4,185.52 is: 6,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.48 : 8,115.36 = 4,185.52 : x
  2. Step 2: Convert to fraction form
    5,407.48/8,115.36 = 4,185.52/x
  3. Step 3: Cross multiply
    5,407.48x = 8,115.36 × 4,185.52
  4. Step 4: Simplify right side
    5,407.48x = 33,967,001.59
  5. Step 5: Solve for x
    x = 33,967,001.59/5,407.48
  6. Step 6: Final answer
    x = 6,281.48

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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.