Home / 6,640.88-9,153.24-4,541.36

Finding the Fourth Proportional to 6,640.88, 9,153.24 and 4,541.36

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Solution

The fourth proportional to 6,640.88, 9,153.24 and 4,541.36 is: 6,259.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.88 : 9,153.24 = 4,541.36 : x
  2. Step 2: Convert to fraction form
    6,640.88/9,153.24 = 4,541.36/x
  3. Step 3: Cross multiply
    6,640.88x = 9,153.24 × 4,541.36
  4. Step 4: Simplify right side
    6,640.88x = 41,568,158.01
  5. Step 5: Solve for x
    x = 41,568,158.01/6,640.88
  6. Step 6: Final answer
    x = 6,259.44

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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.