Home / 6,742.29-9,307.22-4,223.85

Finding the Fourth Proportional to 6,742.29, 9,307.22 and 4,223.85

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Solution

The fourth proportional to 6,742.29, 9,307.22 and 4,223.85 is: 5,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.29 : 9,307.22 = 4,223.85 : x
  2. Step 2: Convert to fraction form
    6,742.29/9,307.22 = 4,223.85/x
  3. Step 3: Cross multiply
    6,742.29x = 9,307.22 × 4,223.85
  4. Step 4: Simplify right side
    6,742.29x = 39,312,297.53
  5. Step 5: Solve for x
    x = 39,312,297.53/6,742.29
  6. Step 6: Final answer
    x = 5,830.71

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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.