Home / 8,965.12-12,370.41-4,986.13

Finding the Fourth Proportional to 8,965.12, 12,370.41 and 4,986.13

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Solution

The fourth proportional to 8,965.12, 12,370.41 and 4,986.13 is: 6,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.12 : 12,370.41 = 4,986.13 : x
  2. Step 2: Convert to fraction form
    8,965.12/12,370.41 = 4,986.13/x
  3. Step 3: Cross multiply
    8,965.12x = 12,370.41 × 4,986.13
  4. Step 4: Simplify right side
    8,965.12x = 61,680,472.41
  5. Step 5: Solve for x
    x = 61,680,472.41/8,965.12
  6. Step 6: Final answer
    x = 6,880.05

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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.