Home / 7,510.18-11,262.47-2,578.42

Finding the Fourth Proportional to 7,510.18, 11,262.47 and 2,578.42

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Solution

The fourth proportional to 7,510.18, 11,262.47 and 2,578.42 is: 3,866.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.18 : 11,262.47 = 2,578.42 : x
  2. Step 2: Convert to fraction form
    7,510.18/11,262.47 = 2,578.42/x
  3. Step 3: Cross multiply
    7,510.18x = 11,262.47 × 2,578.42
  4. Step 4: Simplify right side
    7,510.18x = 29,039,377.90
  5. Step 5: Solve for x
    x = 29,039,377.90/7,510.18
  6. Step 6: Final answer
    x = 3,866.67

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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.