Home / 5,012.73-7,515.11-2,378.93

Finding the Fourth Proportional to 5,012.73, 7,515.11 and 2,378.93

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Solution

The fourth proportional to 5,012.73, 7,515.11 and 2,378.93 is: 3,566.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.73 : 7,515.11 = 2,378.93 : x
  2. Step 2: Convert to fraction form
    5,012.73/7,515.11 = 2,378.93/x
  3. Step 3: Cross multiply
    5,012.73x = 7,515.11 × 2,378.93
  4. Step 4: Simplify right side
    5,012.73x = 17,877,871.16
  5. Step 5: Solve for x
    x = 17,877,871.16/5,012.73
  6. Step 6: Final answer
    x = 3,566.49

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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.