Home / 6,942.87-10,426.74-6,386.55

Finding the Fourth Proportional to 6,942.87, 10,426.74 and 6,386.55

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Solution

The fourth proportional to 6,942.87, 10,426.74 and 6,386.55 is: 9,591.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.87 : 10,426.74 = 6,386.55 : x
  2. Step 2: Convert to fraction form
    6,942.87/10,426.74 = 6,386.55/x
  3. Step 3: Cross multiply
    6,942.87x = 10,426.74 × 6,386.55
  4. Step 4: Simplify right side
    6,942.87x = 66,590,896.35
  5. Step 5: Solve for x
    x = 66,590,896.35/6,942.87
  6. Step 6: Final answer
    x = 9,591.26

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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.