Home / 6,891.81-10,356.36-3,607.32

Finding the Fourth Proportional to 6,891.81, 10,356.36 and 3,607.32

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Solution

The fourth proportional to 6,891.81, 10,356.36 and 3,607.32 is: 5,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.81 : 10,356.36 = 3,607.32 : x
  2. Step 2: Convert to fraction form
    6,891.81/10,356.36 = 3,607.32/x
  3. Step 3: Cross multiply
    6,891.81x = 10,356.36 × 3,607.32
  4. Step 4: Simplify right side
    6,891.81x = 37,358,704.56
  5. Step 5: Solve for x
    x = 37,358,704.56/6,891.81
  6. Step 6: Final answer
    x = 5,420.74

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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.