Home / 6,904.47-9,528.42-3,920.23

Finding the Fourth Proportional to 6,904.47, 9,528.42 and 3,920.23

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Solution

The fourth proportional to 6,904.47, 9,528.42 and 3,920.23 is: 5,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.47 : 9,528.42 = 3,920.23 : x
  2. Step 2: Convert to fraction form
    6,904.47/9,528.42 = 3,920.23/x
  3. Step 3: Cross multiply
    6,904.47x = 9,528.42 × 3,920.23
  4. Step 4: Simplify right side
    6,904.47x = 37,353,540.49
  5. Step 5: Solve for x
    x = 37,353,540.49/6,904.47
  6. Step 6: Final answer
    x = 5,410.05

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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.