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Finding the Fourth Proportional to 8,444, 11,653.44 and 4,718.72

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Solution

The fourth proportional to 8,444, 11,653.44 and 4,718.72 is: 6,512.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,444 : 11,653.44 = 4,718.72 : x
  2. Step 2: Convert to fraction form
    8,444/11,653.44 = 4,718.72/x
  3. Step 3: Cross multiply
    8,444x = 11,653.44 × 4,718.72
  4. Step 4: Simplify right side
    8,444x = 54,989,320.40
  5. Step 5: Solve for x
    x = 54,989,320.40/8,444
  6. Step 6: Final answer
    x = 6,512.24

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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.