Home / 6,904.85-9,527.63-3,920.81

Finding the Fourth Proportional to 6,904.85, 9,527.63 and 3,920.81

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Solution

The fourth proportional to 6,904.85, 9,527.63 and 3,920.81 is: 5,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.85 : 9,527.63 = 3,920.81 : x
  2. Step 2: Convert to fraction form
    6,904.85/9,527.63 = 3,920.81/x
  3. Step 3: Cross multiply
    6,904.85x = 9,527.63 × 3,920.81
  4. Step 4: Simplify right side
    6,904.85x = 37,355,959.74
  5. Step 5: Solve for x
    x = 37,355,959.74/6,904.85
  6. Step 6: Final answer
    x = 5,410.11

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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.