Home / 8,964.80-12,370.47-4,985.27

Finding the Fourth Proportional to 8,964.80, 12,370.47 and 4,985.27

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Solution

The fourth proportional to 8,964.80, 12,370.47 and 4,985.27 is: 6,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.80 : 12,370.47 = 4,985.27 : x
  2. Step 2: Convert to fraction form
    8,964.80/12,370.47 = 4,985.27/x
  3. Step 3: Cross multiply
    8,964.80x = 12,370.47 × 4,985.27
  4. Step 4: Simplify right side
    8,964.80x = 61,670,132.98
  5. Step 5: Solve for x
    x = 61,670,132.98/8,964.80
  6. Step 6: Final answer
    x = 6,879.14

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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.