Home / 9,145.80-12,621.18-4,954.02

Finding the Fourth Proportional to 9,145.80, 12,621.18 and 4,954.02

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Solution

The fourth proportional to 9,145.80, 12,621.18 and 4,954.02 is: 6,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.80 : 12,621.18 = 4,954.02 : x
  2. Step 2: Convert to fraction form
    9,145.80/12,621.18 = 4,954.02/x
  3. Step 3: Cross multiply
    9,145.80x = 12,621.18 × 4,954.02
  4. Step 4: Simplify right side
    9,145.80x = 62,525,578.14
  5. Step 5: Solve for x
    x = 62,525,578.14/9,145.80
  6. Step 6: Final answer
    x = 6,836.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.