Home / 6,426.81-9,643.86-3,967.65

Finding the Fourth Proportional to 6,426.81, 9,643.86 and 3,967.65

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Solution

The fourth proportional to 6,426.81, 9,643.86 and 3,967.65 is: 5,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.81 : 9,643.86 = 3,967.65 : x
  2. Step 2: Convert to fraction form
    6,426.81/9,643.86 = 3,967.65/x
  3. Step 3: Cross multiply
    6,426.81x = 9,643.86 × 3,967.65
  4. Step 4: Simplify right side
    6,426.81x = 38,263,461.13
  5. Step 5: Solve for x
    x = 38,263,461.13/6,426.81
  6. Step 6: Final answer
    x = 5,953.73

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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.