Home / 10,720.77-16,079.13-2,927.76

Finding the Fourth Proportional to 10,720.77, 16,079.13 and 2,927.76

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Solution

The fourth proportional to 10,720.77, 16,079.13 and 2,927.76 is: 4,391.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.77 : 16,079.13 = 2,927.76 : x
  2. Step 2: Convert to fraction form
    10,720.77/16,079.13 = 2,927.76/x
  3. Step 3: Cross multiply
    10,720.77x = 16,079.13 × 2,927.76
  4. Step 4: Simplify right side
    10,720.77x = 47,075,833.65
  5. Step 5: Solve for x
    x = 47,075,833.65/10,720.77
  6. Step 6: Final answer
    x = 4,391.09

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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.