Home / 8,784.66-12,118.74-5,056.50

Finding the Fourth Proportional to 8,784.66, 12,118.74 and 5,056.50

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Solution

The fourth proportional to 8,784.66, 12,118.74 and 5,056.50 is: 6,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.66 : 12,118.74 = 5,056.50 : x
  2. Step 2: Convert to fraction form
    8,784.66/12,118.74 = 5,056.50/x
  3. Step 3: Cross multiply
    8,784.66x = 12,118.74 × 5,056.50
  4. Step 4: Simplify right side
    8,784.66x = 61,278,408.81
  5. Step 5: Solve for x
    x = 61,278,408.81/8,784.66
  6. Step 6: Final answer
    x = 6,975.62

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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.