Home / 8,664.88-12,984.90-4,772.56

Finding the Fourth Proportional to 8,664.88, 12,984.90 and 4,772.56

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Solution

The fourth proportional to 8,664.88, 12,984.90 and 4,772.56 is: 7,152.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.88 : 12,984.90 = 4,772.56 : x
  2. Step 2: Convert to fraction form
    8,664.88/12,984.90 = 4,772.56/x
  3. Step 3: Cross multiply
    8,664.88x = 12,984.90 × 4,772.56
  4. Step 4: Simplify right side
    8,664.88x = 61,971,214.34
  5. Step 5: Solve for x
    x = 61,971,214.34/8,664.88
  6. Step 6: Final answer
    x = 7,152.00

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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.