Home / 6,823.74-9,417.32-3,839.40

Finding the Fourth Proportional to 6,823.74, 9,417.32 and 3,839.40

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Solution

The fourth proportional to 6,823.74, 9,417.32 and 3,839.40 is: 5,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.74 : 9,417.32 = 3,839.40 : x
  2. Step 2: Convert to fraction form
    6,823.74/9,417.32 = 3,839.40/x
  3. Step 3: Cross multiply
    6,823.74x = 9,417.32 × 3,839.40
  4. Step 4: Simplify right side
    6,823.74x = 36,156,839.21
  5. Step 5: Solve for x
    x = 36,156,839.21/6,823.74
  6. Step 6: Final answer
    x = 5,298.68

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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.