Home / 7,039.40-10,559.68-1,845.24

Finding the Fourth Proportional to 7,039.40, 10,559.68 and 1,845.24

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Solution

The fourth proportional to 7,039.40, 10,559.68 and 1,845.24 is: 2,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.40 : 10,559.68 = 1,845.24 : x
  2. Step 2: Convert to fraction form
    7,039.40/10,559.68 = 1,845.24/x
  3. Step 3: Cross multiply
    7,039.40x = 10,559.68 × 1,845.24
  4. Step 4: Simplify right side
    7,039.40x = 19,485,143.92
  5. Step 5: Solve for x
    x = 19,485,143.92/7,039.40
  6. Step 6: Final answer
    x = 2,768.01

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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.