Home / 10,870.04-16,305.06-3,078.85

Finding the Fourth Proportional to 10,870.04, 16,305.06 and 3,078.85

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Solution

The fourth proportional to 10,870.04, 16,305.06 and 3,078.85 is: 4,618.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870.04 : 16,305.06 = 3,078.85 : x
  2. Step 2: Convert to fraction form
    10,870.04/16,305.06 = 3,078.85/x
  3. Step 3: Cross multiply
    10,870.04x = 16,305.06 × 3,078.85
  4. Step 4: Simplify right side
    10,870.04x = 50,200,818.59
  5. Step 5: Solve for x
    x = 50,200,818.59/10,870.04
  6. Step 6: Final answer
    x = 4,618.28

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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.