Home / 4,498.90-6,747.48-1,378.12

Finding the Fourth Proportional to 4,498.90, 6,747.48 and 1,378.12

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Solution

The fourth proportional to 4,498.90, 6,747.48 and 1,378.12 is: 2,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,498.90 : 6,747.48 = 1,378.12 : x
  2. Step 2: Convert to fraction form
    4,498.90/6,747.48 = 1,378.12/x
  3. Step 3: Cross multiply
    4,498.90x = 6,747.48 × 1,378.12
  4. Step 4: Simplify right side
    4,498.90x = 9,298,837.14
  5. Step 5: Solve for x
    x = 9,298,837.14/4,498.90
  6. Step 6: Final answer
    x = 2,066.91

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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.