Home / 6,974.10-9,610.65-4,979.07

Finding the Fourth Proportional to 6,974.10, 9,610.65 and 4,979.07

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Solution

The fourth proportional to 6,974.10, 9,610.65 and 4,979.07 is: 6,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.10 : 9,610.65 = 4,979.07 : x
  2. Step 2: Convert to fraction form
    6,974.10/9,610.65 = 4,979.07/x
  3. Step 3: Cross multiply
    6,974.10x = 9,610.65 × 4,979.07
  4. Step 4: Simplify right side
    6,974.10x = 47,852,099.10
  5. Step 5: Solve for x
    x = 47,852,099.10/6,974.10
  6. Step 6: Final answer
    x = 6,861.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.