Home / 5,478.19-8,217.33-2,357.98

Finding the Fourth Proportional to 5,478.19, 8,217.33 and 2,357.98

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Solution

The fourth proportional to 5,478.19, 8,217.33 and 2,357.98 is: 3,536.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.19 : 8,217.33 = 2,357.98 : x
  2. Step 2: Convert to fraction form
    5,478.19/8,217.33 = 2,357.98/x
  3. Step 3: Cross multiply
    5,478.19x = 8,217.33 × 2,357.98
  4. Step 4: Simplify right side
    5,478.19x = 19,376,299.79
  5. Step 5: Solve for x
    x = 19,376,299.79/5,478.19
  6. Step 6: Final answer
    x = 3,536.99

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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.