Home / 6,979.10-9,631.24-3,835.29

Finding the Fourth Proportional to 6,979.10, 9,631.24 and 3,835.29

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Solution

The fourth proportional to 6,979.10, 9,631.24 and 3,835.29 is: 5,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.10 : 9,631.24 = 3,835.29 : x
  2. Step 2: Convert to fraction form
    6,979.10/9,631.24 = 3,835.29/x
  3. Step 3: Cross multiply
    6,979.10x = 9,631.24 × 3,835.29
  4. Step 4: Simplify right side
    6,979.10x = 36,938,598.46
  5. Step 5: Solve for x
    x = 36,938,598.46/6,979.10
  6. Step 6: Final answer
    x = 5,292.75

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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.