Home / 7,429.52-11,144.19-1,807.22

Finding the Fourth Proportional to 7,429.52, 11,144.19 and 1,807.22

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Solution

The fourth proportional to 7,429.52, 11,144.19 and 1,807.22 is: 2,710.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.52 : 11,144.19 = 1,807.22 : x
  2. Step 2: Convert to fraction form
    7,429.52/11,144.19 = 1,807.22/x
  3. Step 3: Cross multiply
    7,429.52x = 11,144.19 × 1,807.22
  4. Step 4: Simplify right side
    7,429.52x = 20,139,994.02
  5. Step 5: Solve for x
    x = 20,139,994.02/7,429.52
  6. Step 6: Final answer
    x = 2,710.81

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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.