Home / 4,453.08-6,679.80-1,987.44

Finding the Fourth Proportional to 4,453.08, 6,679.80 and 1,987.44

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Solution

The fourth proportional to 4,453.08, 6,679.80 and 1,987.44 is: 2,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.08 : 6,679.80 = 1,987.44 : x
  2. Step 2: Convert to fraction form
    4,453.08/6,679.80 = 1,987.44/x
  3. Step 3: Cross multiply
    4,453.08x = 6,679.80 × 1,987.44
  4. Step 4: Simplify right side
    4,453.08x = 13,275,701.71
  5. Step 5: Solve for x
    x = 13,275,701.71/4,453.08
  6. Step 6: Final answer
    x = 2,981.24

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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.