Home / 7,079.78-10,605.09-4,151.02

Finding the Fourth Proportional to 7,079.78, 10,605.09 and 4,151.02

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Solution

The fourth proportional to 7,079.78, 10,605.09 and 4,151.02 is: 6,217.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.78 : 10,605.09 = 4,151.02 : x
  2. Step 2: Convert to fraction form
    7,079.78/10,605.09 = 4,151.02/x
  3. Step 3: Cross multiply
    7,079.78x = 10,605.09 × 4,151.02
  4. Step 4: Simplify right side
    7,079.78x = 44,021,980.46
  5. Step 5: Solve for x
    x = 44,021,980.46/7,079.78
  6. Step 6: Final answer
    x = 6,217.99

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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.