Home / 6,277.35-9,411.16-3,640.80

Finding the Fourth Proportional to 6,277.35, 9,411.16 and 3,640.80

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Solution

The fourth proportional to 6,277.35, 9,411.16 and 3,640.80 is: 5,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.35 : 9,411.16 = 3,640.80 : x
  2. Step 2: Convert to fraction form
    6,277.35/9,411.16 = 3,640.80/x
  3. Step 3: Cross multiply
    6,277.35x = 9,411.16 × 3,640.80
  4. Step 4: Simplify right side
    6,277.35x = 34,264,142.23
  5. Step 5: Solve for x
    x = 34,264,142.23/6,277.35
  6. Step 6: Final answer
    x = 5,458.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.