Home / 5,010.06-7,515.42-1,312.38

Finding the Fourth Proportional to 5,010.06, 7,515.42 and 1,312.38

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Solution

The fourth proportional to 5,010.06, 7,515.42 and 1,312.38 is: 1,968.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.06 : 7,515.42 = 1,312.38 : x
  2. Step 2: Convert to fraction form
    5,010.06/7,515.42 = 1,312.38/x
  3. Step 3: Cross multiply
    5,010.06x = 7,515.42 × 1,312.38
  4. Step 4: Simplify right side
    5,010.06x = 9,863,086.90
  5. Step 5: Solve for x
    x = 9,863,086.90/5,010.06
  6. Step 6: Final answer
    x = 1,968.66

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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.