Home / 8,707.42-13,061.07-3,513.22

Finding the Fourth Proportional to 8,707.42, 13,061.07 and 3,513.22

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Solution

The fourth proportional to 8,707.42, 13,061.07 and 3,513.22 is: 5,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.42 : 13,061.07 = 3,513.22 : x
  2. Step 2: Convert to fraction form
    8,707.42/13,061.07 = 3,513.22/x
  3. Step 3: Cross multiply
    8,707.42x = 13,061.07 × 3,513.22
  4. Step 4: Simplify right side
    8,707.42x = 45,886,412.35
  5. Step 5: Solve for x
    x = 45,886,412.35/8,707.42
  6. Step 6: Final answer
    x = 5,269.81

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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.