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Finding the Fourth Proportional to 8,364.95, 12,547.43 and 3,744.71

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Solution

The fourth proportional to 8,364.95, 12,547.43 and 3,744.71 is: 5,617.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.95 : 12,547.43 = 3,744.71 : x
  2. Step 2: Convert to fraction form
    8,364.95/12,547.43 = 3,744.71/x
  3. Step 3: Cross multiply
    8,364.95x = 12,547.43 × 3,744.71
  4. Step 4: Simplify right side
    8,364.95x = 46,986,467.87
  5. Step 5: Solve for x
    x = 46,986,467.87/8,364.95
  6. Step 6: Final answer
    x = 5,617.07

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Similar ratio
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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.