Home / 8,986.06-13,479.90-3,439.18

Finding the Fourth Proportional to 8,986.06, 13,479.90 and 3,439.18

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Solution

The fourth proportional to 8,986.06, 13,479.90 and 3,439.18 is: 5,159.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.06 : 13,479.90 = 3,439.18 : x
  2. Step 2: Convert to fraction form
    8,986.06/13,479.90 = 3,439.18/x
  3. Step 3: Cross multiply
    8,986.06x = 13,479.90 × 3,439.18
  4. Step 4: Simplify right side
    8,986.06x = 46,359,802.48
  5. Step 5: Solve for x
    x = 46,359,802.48/8,986.06
  6. Step 6: Final answer
    x = 5,159.08

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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.