Home / 6,934.05-9,569.04-3,909.21

Finding the Fourth Proportional to 6,934.05, 9,569.04 and 3,909.21

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Solution

The fourth proportional to 6,934.05, 9,569.04 and 3,909.21 is: 5,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,934.05 : 9,569.04 = 3,909.21 : x
  2. Step 2: Convert to fraction form
    6,934.05/9,569.04 = 3,909.21/x
  3. Step 3: Cross multiply
    6,934.05x = 9,569.04 × 3,909.21
  4. Step 4: Simplify right side
    6,934.05x = 37,407,386.86
  5. Step 5: Solve for x
    x = 37,407,386.86/6,934.05
  6. Step 6: Final answer
    x = 5,394.74

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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.