Home / 6,823.98-9,417.18-3,839.64

Finding the Fourth Proportional to 6,823.98, 9,417.18 and 3,839.64

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Solution

The fourth proportional to 6,823.98, 9,417.18 and 3,839.64 is: 5,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.98 : 9,417.18 = 3,839.64 : x
  2. Step 2: Convert to fraction form
    6,823.98/9,417.18 = 3,839.64/x
  3. Step 3: Cross multiply
    6,823.98x = 9,417.18 × 3,839.64
  4. Step 4: Simplify right side
    6,823.98x = 36,158,581.02
  5. Step 5: Solve for x
    x = 36,158,581.02/6,823.98
  6. Step 6: Final answer
    x = 5,298.75

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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.