Home / 6,823.80-9,417.18-3,839.48

Finding the Fourth Proportional to 6,823.80, 9,417.18 and 3,839.48

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Solution

The fourth proportional to 6,823.80, 9,417.18 and 3,839.48 is: 5,298.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.80 : 9,417.18 = 3,839.48 : x
  2. Step 2: Convert to fraction form
    6,823.80/9,417.18 = 3,839.48/x
  3. Step 3: Cross multiply
    6,823.80x = 9,417.18 × 3,839.48
  4. Step 4: Simplify right side
    6,823.80x = 36,157,074.27
  5. Step 5: Solve for x
    x = 36,157,074.27/6,823.80
  6. Step 6: Final answer
    x = 5,298.67

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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.