Home / 9,212.02-13,816.09-2,972.62

Finding the Fourth Proportional to 9,212.02, 13,816.09 and 2,972.62

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Solution

The fourth proportional to 9,212.02, 13,816.09 and 2,972.62 is: 4,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.02 : 13,816.09 = 2,972.62 : x
  2. Step 2: Convert to fraction form
    9,212.02/13,816.09 = 2,972.62/x
  3. Step 3: Cross multiply
    9,212.02x = 13,816.09 × 2,972.62
  4. Step 4: Simplify right side
    9,212.02x = 41,069,985.46
  5. Step 5: Solve for x
    x = 41,069,985.46/9,212.02
  6. Step 6: Final answer
    x = 4,458.30

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1.5x scale

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.