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Finding the Fourth Proportional to 5,943.79, 8,915.68 and 1,783.79

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Solution

The fourth proportional to 5,943.79, 8,915.68 and 1,783.79 is: 2,675.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,943.79 : 8,915.68 = 1,783.79 : x
  2. Step 2: Convert to fraction form
    5,943.79/8,915.68 = 1,783.79/x
  3. Step 3: Cross multiply
    5,943.79x = 8,915.68 × 1,783.79
  4. Step 4: Simplify right side
    5,943.79x = 15,903,718.66
  5. Step 5: Solve for x
    x = 15,903,718.66/5,943.79
  6. Step 6: Final answer
    x = 2,675.69

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Similar ratio
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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.