Home / 9,312.50-13,968.66-3,389.36

Finding the Fourth Proportional to 9,312.50, 13,968.66 and 3,389.36

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Solution

The fourth proportional to 9,312.50, 13,968.66 and 3,389.36 is: 5,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.50 : 13,968.66 = 3,389.36 : x
  2. Step 2: Convert to fraction form
    9,312.50/13,968.66 = 3,389.36/x
  3. Step 3: Cross multiply
    9,312.50x = 13,968.66 × 3,389.36
  4. Step 4: Simplify right side
    9,312.50x = 47,344,817.46
  5. Step 5: Solve for x
    x = 47,344,817.46/9,312.50
  6. Step 6: Final answer
    x = 5,084.01

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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.