Home / 6,640.11-9,160.29-4,283.01

Finding the Fourth Proportional to 6,640.11, 9,160.29 and 4,283.01

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Solution

The fourth proportional to 6,640.11, 9,160.29 and 4,283.01 is: 5,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.11 : 9,160.29 = 4,283.01 : x
  2. Step 2: Convert to fraction form
    6,640.11/9,160.29 = 4,283.01/x
  3. Step 3: Cross multiply
    6,640.11x = 9,160.29 × 4,283.01
  4. Step 4: Simplify right side
    6,640.11x = 39,233,613.67
  5. Step 5: Solve for x
    x = 39,233,613.67/6,640.11
  6. Step 6: Final answer
    x = 5,908.58

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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.