Home / 6,848.20-9,450.80-4,329.40

Finding the Fourth Proportional to 6,848.20, 9,450.80 and 4,329.40

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Solution

The fourth proportional to 6,848.20, 9,450.80 and 4,329.40 is: 5,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,848.20 : 9,450.80 = 4,329.40 : x
  2. Step 2: Convert to fraction form
    6,848.20/9,450.80 = 4,329.40/x
  3. Step 3: Cross multiply
    6,848.20x = 9,450.80 × 4,329.40
  4. Step 4: Simplify right side
    6,848.20x = 40,916,293.52
  5. Step 5: Solve for x
    x = 40,916,293.52/6,848.20
  6. Step 6: Final answer
    x = 5,974.75

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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.