Home / 7,510.98-11,270.13-5,013.78

Finding the Fourth Proportional to 7,510.98, 11,270.13 and 5,013.78

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Solution

The fourth proportional to 7,510.98, 11,270.13 and 5,013.78 is: 7,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.98 : 11,270.13 = 5,013.78 : x
  2. Step 2: Convert to fraction form
    7,510.98/11,270.13 = 5,013.78/x
  3. Step 3: Cross multiply
    7,510.98x = 11,270.13 × 5,013.78
  4. Step 4: Simplify right side
    7,510.98x = 56,505,952.39
  5. Step 5: Solve for x
    x = 56,505,952.39/7,510.98
  6. Step 6: Final answer
    x = 7,523.11

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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.