Home / 7,039.81-10,558.50-2,359.36

Finding the Fourth Proportional to 7,039.81, 10,558.50 and 2,359.36

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Solution

The fourth proportional to 7,039.81, 10,558.50 and 2,359.36 is: 3,538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.81 : 10,558.50 = 2,359.36 : x
  2. Step 2: Convert to fraction form
    7,039.81/10,558.50 = 2,359.36/x
  3. Step 3: Cross multiply
    7,039.81x = 10,558.50 × 2,359.36
  4. Step 4: Simplify right side
    7,039.81x = 24,911,302.56
  5. Step 5: Solve for x
    x = 24,911,302.56/7,039.81
  6. Step 6: Final answer
    x = 3,538.63

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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.