Home / 8,717.55-13,068.98-3,783.47

Finding the Fourth Proportional to 8,717.55, 13,068.98 and 3,783.47

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Solution

The fourth proportional to 8,717.55, 13,068.98 and 3,783.47 is: 5,672.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.55 : 13,068.98 = 3,783.47 : x
  2. Step 2: Convert to fraction form
    8,717.55/13,068.98 = 3,783.47/x
  3. Step 3: Cross multiply
    8,717.55x = 13,068.98 × 3,783.47
  4. Step 4: Simplify right side
    8,717.55x = 49,446,093.76
  5. Step 5: Solve for x
    x = 49,446,093.76/8,717.55
  6. Step 6: Final answer
    x = 5,672.02

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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.