Home / 9,132.14-13,685.78-4,740.50

Finding the Fourth Proportional to 9,132.14, 13,685.78 and 4,740.50

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Solution

The fourth proportional to 9,132.14, 13,685.78 and 4,740.50 is: 7,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.14 : 13,685.78 = 4,740.50 : x
  2. Step 2: Convert to fraction form
    9,132.14/13,685.78 = 4,740.50/x
  3. Step 3: Cross multiply
    9,132.14x = 13,685.78 × 4,740.50
  4. Step 4: Simplify right side
    9,132.14x = 64,877,440.09
  5. Step 5: Solve for x
    x = 64,877,440.09/9,132.14
  6. Step 6: Final answer
    x = 7,104.30

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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.