Home / 8,965.08-12,371.74-4,986.18

Finding the Fourth Proportional to 8,965.08, 12,371.74 and 4,986.18

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Solution

The fourth proportional to 8,965.08, 12,371.74 and 4,986.18 is: 6,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.08 : 12,371.74 = 4,986.18 : x
  2. Step 2: Convert to fraction form
    8,965.08/12,371.74 = 4,986.18/x
  3. Step 3: Cross multiply
    8,965.08x = 12,371.74 × 4,986.18
  4. Step 4: Simplify right side
    8,965.08x = 61,687,722.55
  5. Step 5: Solve for x
    x = 61,687,722.55/8,965.08
  6. Step 6: Final answer
    x = 6,880.89

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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.