Home / 8,144.64-11,240.16-4,607.85

Finding the Fourth Proportional to 8,144.64, 11,240.16 and 4,607.85

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Solution

The fourth proportional to 8,144.64, 11,240.16 and 4,607.85 is: 6,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.64 : 11,240.16 = 4,607.85 : x
  2. Step 2: Convert to fraction form
    8,144.64/11,240.16 = 4,607.85/x
  3. Step 3: Cross multiply
    8,144.64x = 11,240.16 × 4,607.85
  4. Step 4: Simplify right side
    8,144.64x = 51,792,971.26
  5. Step 5: Solve for x
    x = 51,792,971.26/8,144.64
  6. Step 6: Final answer
    x = 6,359.15

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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.