Home / 10,276.10-15,415.04-2,880.65

Finding the Fourth Proportional to 10,276.10, 15,415.04 and 2,880.65

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Solution

The fourth proportional to 10,276.10, 15,415.04 and 2,880.65 is: 4,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.10 : 15,415.04 = 2,880.65 : x
  2. Step 2: Convert to fraction form
    10,276.10/15,415.04 = 2,880.65/x
  3. Step 3: Cross multiply
    10,276.10x = 15,415.04 × 2,880.65
  4. Step 4: Simplify right side
    10,276.10x = 44,405,243.50
  5. Step 5: Solve for x
    x = 44,405,243.50/10,276.10
  6. Step 6: Final answer
    x = 4,321.22

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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.