Home / 8,964.86-12,371.36-4,986.02

Finding the Fourth Proportional to 8,964.86, 12,371.36 and 4,986.02

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Solution

The fourth proportional to 8,964.86, 12,371.36 and 4,986.02 is: 6,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.86 : 12,371.36 = 4,986.02 : x
  2. Step 2: Convert to fraction form
    8,964.86/12,371.36 = 4,986.02/x
  3. Step 3: Cross multiply
    8,964.86x = 12,371.36 × 4,986.02
  4. Step 4: Simplify right side
    8,964.86x = 61,683,854.39
  5. Step 5: Solve for x
    x = 61,683,854.39/8,964.86
  6. Step 6: Final answer
    x = 6,880.63

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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.