Home / 6,824.42-9,417.18-3,839.67

Finding the Fourth Proportional to 6,824.42, 9,417.18 and 3,839.67

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Solution

The fourth proportional to 6,824.42, 9,417.18 and 3,839.67 is: 5,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,824.42 : 9,417.18 = 3,839.67 : x
  2. Step 2: Convert to fraction form
    6,824.42/9,417.18 = 3,839.67/x
  3. Step 3: Cross multiply
    6,824.42x = 9,417.18 × 3,839.67
  4. Step 4: Simplify right side
    6,824.42x = 36,158,863.53
  5. Step 5: Solve for x
    x = 36,158,863.53/6,824.42
  6. Step 6: Final answer
    x = 5,298.46

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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.