Home / 9,721.56-14,580.12-4,723.77

Finding the Fourth Proportional to 9,721.56, 14,580.12 and 4,723.77

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Solution

The fourth proportional to 9,721.56, 14,580.12 and 4,723.77 is: 7,084.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.56 : 14,580.12 = 4,723.77 : x
  2. Step 2: Convert to fraction form
    9,721.56/14,580.12 = 4,723.77/x
  3. Step 3: Cross multiply
    9,721.56x = 14,580.12 × 4,723.77
  4. Step 4: Simplify right side
    9,721.56x = 68,873,133.45
  5. Step 5: Solve for x
    x = 68,873,133.45/9,721.56
  6. Step 6: Final answer
    x = 7,084.58

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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.