Home / 6,904.20-10,356.30-6,369.60

Finding the Fourth Proportional to 6,904.20, 10,356.30 and 6,369.60

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Solution

The fourth proportional to 6,904.20, 10,356.30 and 6,369.60 is: 9,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.20 : 10,356.30 = 6,369.60 : x
  2. Step 2: Convert to fraction form
    6,904.20/10,356.30 = 6,369.60/x
  3. Step 3: Cross multiply
    6,904.20x = 10,356.30 × 6,369.60
  4. Step 4: Simplify right side
    6,904.20x = 65,965,488.48
  5. Step 5: Solve for x
    x = 65,965,488.48/6,904.20
  6. Step 6: Final answer
    x = 9,554.40

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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.