Home / 9,410.53-12,985.09-5,376.65

Finding the Fourth Proportional to 9,410.53, 12,985.09 and 5,376.65

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Solution

The fourth proportional to 9,410.53, 12,985.09 and 5,376.65 is: 7,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,410.53 : 12,985.09 = 5,376.65 : x
  2. Step 2: Convert to fraction form
    9,410.53/12,985.09 = 5,376.65/x
  3. Step 3: Cross multiply
    9,410.53x = 12,985.09 × 5,376.65
  4. Step 4: Simplify right side
    9,410.53x = 69,816,219.22
  5. Step 5: Solve for x
    x = 69,816,219.22/9,410.53
  6. Step 6: Final answer
    x = 7,418.95

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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.