Home / 6,986.49-10,478.50-2,306.56

Finding the Fourth Proportional to 6,986.49, 10,478.50 and 2,306.56

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Solution

The fourth proportional to 6,986.49, 10,478.50 and 2,306.56 is: 3,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.49 : 10,478.50 = 2,306.56 : x
  2. Step 2: Convert to fraction form
    6,986.49/10,478.50 = 2,306.56/x
  3. Step 3: Cross multiply
    6,986.49x = 10,478.50 × 2,306.56
  4. Step 4: Simplify right side
    6,986.49x = 24,169,288.96
  5. Step 5: Solve for x
    x = 24,169,288.96/6,986.49
  6. Step 6: Final answer
    x = 3,459.43

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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.