Home / 6,981.44-10,455.54-5,680.04

Finding the Fourth Proportional to 6,981.44, 10,455.54 and 5,680.04

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Solution

The fourth proportional to 6,981.44, 10,455.54 and 5,680.04 is: 8,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.44 : 10,455.54 = 5,680.04 : x
  2. Step 2: Convert to fraction form
    6,981.44/10,455.54 = 5,680.04/x
  3. Step 3: Cross multiply
    6,981.44x = 10,455.54 × 5,680.04
  4. Step 4: Simplify right side
    6,981.44x = 59,387,885.42
  5. Step 5: Solve for x
    x = 59,387,885.42/6,981.44
  6. Step 6: Final answer
    x = 8,506.54

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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.