Home / 7,510.16-11,262.36-2,578.88

Finding the Fourth Proportional to 7,510.16, 11,262.36 and 2,578.88

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Solution

The fourth proportional to 7,510.16, 11,262.36 and 2,578.88 is: 3,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.16 : 11,262.36 = 2,578.88 : x
  2. Step 2: Convert to fraction form
    7,510.16/11,262.36 = 2,578.88/x
  3. Step 3: Cross multiply
    7,510.16x = 11,262.36 × 2,578.88
  4. Step 4: Simplify right side
    7,510.16x = 29,044,274.96
  5. Step 5: Solve for x
    x = 29,044,274.96/7,510.16
  6. Step 6: Final answer
    x = 3,867.33

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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.