Home / 7,120.04-10,678.92-2,503.04

Finding the Fourth Proportional to 7,120.04, 10,678.92 and 2,503.04

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Solution

The fourth proportional to 7,120.04, 10,678.92 and 2,503.04 is: 3,754.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120.04 : 10,678.92 = 2,503.04 : x
  2. Step 2: Convert to fraction form
    7,120.04/10,678.92 = 2,503.04/x
  3. Step 3: Cross multiply
    7,120.04x = 10,678.92 × 2,503.04
  4. Step 4: Simplify right side
    7,120.04x = 26,729,763.92
  5. Step 5: Solve for x
    x = 26,729,763.92/7,120.04
  6. Step 6: Final answer
    x = 3,754.16

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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.