Home / 9,927.80-14,867.40-4,727.60

Finding the Fourth Proportional to 9,927.80, 14,867.40 and 4,727.60

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Solution

The fourth proportional to 9,927.80, 14,867.40 and 4,727.60 is: 7,079.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.80 : 14,867.40 = 4,727.60 : x
  2. Step 2: Convert to fraction form
    9,927.80/14,867.40 = 4,727.60/x
  3. Step 3: Cross multiply
    9,927.80x = 14,867.40 × 4,727.60
  4. Step 4: Simplify right side
    9,927.80x = 70,287,120.24
  5. Step 5: Solve for x
    x = 70,287,120.24/9,927.80
  6. Step 6: Final answer
    x = 7,079.83

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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.