Home / 9,319.70-13,975.45-4,936.15

Finding the Fourth Proportional to 9,319.70, 13,975.45 and 4,936.15

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Solution

The fourth proportional to 9,319.70, 13,975.45 and 4,936.15 is: 7,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.70 : 13,975.45 = 4,936.15 : x
  2. Step 2: Convert to fraction form
    9,319.70/13,975.45 = 4,936.15/x
  3. Step 3: Cross multiply
    9,319.70x = 13,975.45 × 4,936.15
  4. Step 4: Simplify right side
    9,319.70x = 68,984,870.24
  5. Step 5: Solve for x
    x = 68,984,870.24/9,319.70
  6. Step 6: Final answer
    x = 7,402.05

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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.