Home / 5,377.76-8,064.36-2,453.12

Finding the Fourth Proportional to 5,377.76, 8,064.36 and 2,453.12

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Solution

The fourth proportional to 5,377.76, 8,064.36 and 2,453.12 is: 3,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.76 : 8,064.36 = 2,453.12 : x
  2. Step 2: Convert to fraction form
    5,377.76/8,064.36 = 2,453.12/x
  3. Step 3: Cross multiply
    5,377.76x = 8,064.36 × 2,453.12
  4. Step 4: Simplify right side
    5,377.76x = 19,782,842.80
  5. Step 5: Solve for x
    x = 19,782,842.80/5,377.76
  6. Step 6: Final answer
    x = 3,678.64

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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.