Home / 10,870.54-16,305.91-3,079.35

Finding the Fourth Proportional to 10,870.54, 16,305.91 and 3,079.35

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Solution

The fourth proportional to 10,870.54, 16,305.91 and 3,079.35 is: 4,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870.54 : 16,305.91 = 3,079.35 : x
  2. Step 2: Convert to fraction form
    10,870.54/16,305.91 = 3,079.35/x
  3. Step 3: Cross multiply
    10,870.54x = 16,305.91 × 3,079.35
  4. Step 4: Simplify right side
    10,870.54x = 50,211,596.26
  5. Step 5: Solve for x
    x = 50,211,596.26/10,870.54
  6. Step 6: Final answer
    x = 4,619.05

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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.