Home / 8,537.74-11,781.63-4,811.50

Finding the Fourth Proportional to 8,537.74, 11,781.63 and 4,811.50

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Solution

The fourth proportional to 8,537.74, 11,781.63 and 4,811.50 is: 6,639.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.74 : 11,781.63 = 4,811.50 : x
  2. Step 2: Convert to fraction form
    8,537.74/11,781.63 = 4,811.50/x
  3. Step 3: Cross multiply
    8,537.74x = 11,781.63 × 4,811.50
  4. Step 4: Simplify right side
    8,537.74x = 56,687,312.75
  5. Step 5: Solve for x
    x = 56,687,312.75/8,537.74
  6. Step 6: Final answer
    x = 6,639.62

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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.