Home / 5,340.33-7,379.10-4,626.72

Finding the Fourth Proportional to 5,340.33, 7,379.10 and 4,626.72

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Solution

The fourth proportional to 5,340.33, 7,379.10 and 4,626.72 is: 6,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.33 : 7,379.10 = 4,626.72 : x
  2. Step 2: Convert to fraction form
    5,340.33/7,379.10 = 4,626.72/x
  3. Step 3: Cross multiply
    5,340.33x = 7,379.10 × 4,626.72
  4. Step 4: Simplify right side
    5,340.33x = 34,141,029.55
  5. Step 5: Solve for x
    x = 34,141,029.55/5,340.33
  6. Step 6: Final answer
    x = 6,393.06

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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.