Home / 9,639.41-13,305.78-6,241.01

Finding the Fourth Proportional to 9,639.41, 13,305.78 and 6,241.01

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Solution

The fourth proportional to 9,639.41, 13,305.78 and 6,241.01 is: 8,614.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.41 : 13,305.78 = 6,241.01 : x
  2. Step 2: Convert to fraction form
    9,639.41/13,305.78 = 6,241.01/x
  3. Step 3: Cross multiply
    9,639.41x = 13,305.78 × 6,241.01
  4. Step 4: Simplify right side
    9,639.41x = 83,041,439.51
  5. Step 5: Solve for x
    x = 83,041,439.51/9,639.41
  6. Step 6: Final answer
    x = 8,614.79

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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.