Home / 7,154.88-10,726.56-3,053.76

Finding the Fourth Proportional to 7,154.88, 10,726.56 and 3,053.76

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Solution

The fourth proportional to 7,154.88, 10,726.56 and 3,053.76 is: 4,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.88 : 10,726.56 = 3,053.76 : x
  2. Step 2: Convert to fraction form
    7,154.88/10,726.56 = 3,053.76/x
  3. Step 3: Cross multiply
    7,154.88x = 10,726.56 × 3,053.76
  4. Step 4: Simplify right side
    7,154.88x = 32,756,339.87
  5. Step 5: Solve for x
    x = 32,756,339.87/7,154.88
  6. Step 6: Final answer
    x = 4,578.18

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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.