Home / 7,151.28-10,726.91-2,994.15

Finding the Fourth Proportional to 7,151.28, 10,726.91 and 2,994.15

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Solution

The fourth proportional to 7,151.28, 10,726.91 and 2,994.15 is: 4,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.28 : 10,726.91 = 2,994.15 : x
  2. Step 2: Convert to fraction form
    7,151.28/10,726.91 = 2,994.15/x
  3. Step 3: Cross multiply
    7,151.28x = 10,726.91 × 2,994.15
  4. Step 4: Simplify right side
    7,151.28x = 32,117,977.58
  5. Step 5: Solve for x
    x = 32,117,977.58/7,151.28
  6. Step 6: Final answer
    x = 4,491.22

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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.