Home / 9,760.81-14,643.95-3,921.52

Finding the Fourth Proportional to 9,760.81, 14,643.95 and 3,921.52

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Solution

The fourth proportional to 9,760.81, 14,643.95 and 3,921.52 is: 5,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760.81 : 14,643.95 = 3,921.52 : x
  2. Step 2: Convert to fraction form
    9,760.81/14,643.95 = 3,921.52/x
  3. Step 3: Cross multiply
    9,760.81x = 14,643.95 × 3,921.52
  4. Step 4: Simplify right side
    9,760.81x = 57,426,449.98
  5. Step 5: Solve for x
    x = 57,426,449.98/9,760.81
  6. Step 6: Final answer
    x = 5,883.37

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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.