Home / 6,648.98-9,181.50-4,135.40

Finding the Fourth Proportional to 6,648.98, 9,181.50 and 4,135.40

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Solution

The fourth proportional to 6,648.98, 9,181.50 and 4,135.40 is: 5,710.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.98 : 9,181.50 = 4,135.40 : x
  2. Step 2: Convert to fraction form
    6,648.98/9,181.50 = 4,135.40/x
  3. Step 3: Cross multiply
    6,648.98x = 9,181.50 × 4,135.40
  4. Step 4: Simplify right side
    6,648.98x = 37,969,175.10
  5. Step 5: Solve for x
    x = 37,969,175.10/6,648.98
  6. Step 6: Final answer
    x = 5,710.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.