Home / 7,424.28-11,126.58-3,039.36

Finding the Fourth Proportional to 7,424.28, 11,126.58 and 3,039.36

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Solution

The fourth proportional to 7,424.28, 11,126.58 and 3,039.36 is: 4,555.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.28 : 11,126.58 = 3,039.36 : x
  2. Step 2: Convert to fraction form
    7,424.28/11,126.58 = 3,039.36/x
  3. Step 3: Cross multiply
    7,424.28x = 11,126.58 × 3,039.36
  4. Step 4: Simplify right side
    7,424.28x = 33,817,682.19
  5. Step 5: Solve for x
    x = 33,817,682.19/7,424.28
  6. Step 6: Final answer
    x = 4,555.01

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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.