Home / 9,328.31-13,988.07-3,777.43

Finding the Fourth Proportional to 9,328.31, 13,988.07 and 3,777.43

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Solution

The fourth proportional to 9,328.31, 13,988.07 and 3,777.43 is: 5,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.31 : 13,988.07 = 3,777.43 : x
  2. Step 2: Convert to fraction form
    9,328.31/13,988.07 = 3,777.43/x
  3. Step 3: Cross multiply
    9,328.31x = 13,988.07 × 3,777.43
  4. Step 4: Simplify right side
    9,328.31x = 52,838,955.26
  5. Step 5: Solve for x
    x = 52,838,955.26/9,328.31
  6. Step 6: Final answer
    x = 5,664.37

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1.5x scale

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.