Home / 7,839.04-11,756.32-2,572.16

Finding the Fourth Proportional to 7,839.04, 11,756.32 and 2,572.16

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Solution

The fourth proportional to 7,839.04, 11,756.32 and 2,572.16 is: 3,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.04 : 11,756.32 = 2,572.16 : x
  2. Step 2: Convert to fraction form
    7,839.04/11,756.32 = 2,572.16/x
  3. Step 3: Cross multiply
    7,839.04x = 11,756.32 × 2,572.16
  4. Step 4: Simplify right side
    7,839.04x = 30,239,136.05
  5. Step 5: Solve for x
    x = 30,239,136.05/7,839.04
  6. Step 6: Final answer
    x = 3,857.51

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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.