Home / 7,495.87-10,343.76-4,138.69

Finding the Fourth Proportional to 7,495.87, 10,343.76 and 4,138.69

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Solution

The fourth proportional to 7,495.87, 10,343.76 and 4,138.69 is: 5,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.87 : 10,343.76 = 4,138.69 : x
  2. Step 2: Convert to fraction form
    7,495.87/10,343.76 = 4,138.69/x
  3. Step 3: Cross multiply
    7,495.87x = 10,343.76 × 4,138.69
  4. Step 4: Simplify right side
    7,495.87x = 42,809,616.07
  5. Step 5: Solve for x
    x = 42,809,616.07/7,495.87
  6. Step 6: Final answer
    x = 5,711.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.