Home / 4,751.04-7,124.16-2,152.80

Finding the Fourth Proportional to 4,751.04, 7,124.16 and 2,152.80

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Solution

The fourth proportional to 4,751.04, 7,124.16 and 2,152.80 is: 3,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.04 : 7,124.16 = 2,152.80 : x
  2. Step 2: Convert to fraction form
    4,751.04/7,124.16 = 2,152.80/x
  3. Step 3: Cross multiply
    4,751.04x = 7,124.16 × 2,152.80
  4. Step 4: Simplify right side
    4,751.04x = 15,336,891.65
  5. Step 5: Solve for x
    x = 15,336,891.65/4,751.04
  6. Step 6: Final answer
    x = 3,228.11

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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.