Home / 6,988.24-10,478.58-3,470.53

Finding the Fourth Proportional to 6,988.24, 10,478.58 and 3,470.53

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Solution

The fourth proportional to 6,988.24, 10,478.58 and 3,470.53 is: 5,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.24 : 10,478.58 = 3,470.53 : x
  2. Step 2: Convert to fraction form
    6,988.24/10,478.58 = 3,470.53/x
  3. Step 3: Cross multiply
    6,988.24x = 10,478.58 × 3,470.53
  4. Step 4: Simplify right side
    6,988.24x = 36,366,226.25
  5. Step 5: Solve for x
    x = 36,366,226.25/6,988.24
  6. Step 6: Final answer
    x = 5,203.92

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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.