Home / 10,870.36-16,305.66-3,079.24

Finding the Fourth Proportional to 10,870.36, 16,305.66 and 3,079.24

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Solution

The fourth proportional to 10,870.36, 16,305.66 and 3,079.24 is: 4,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870.36 : 16,305.66 = 3,079.24 : x
  2. Step 2: Convert to fraction form
    10,870.36/16,305.66 = 3,079.24/x
  3. Step 3: Cross multiply
    10,870.36x = 16,305.66 × 3,079.24
  4. Step 4: Simplify right side
    10,870.36x = 50,209,040.50
  5. Step 5: Solve for x
    x = 50,209,040.50/10,870.36
  6. Step 6: Final answer
    x = 4,618.89

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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.