Home / 8,945.79-12,344.67-4,966.80

Finding the Fourth Proportional to 8,945.79, 12,344.67 and 4,966.80

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Solution

The fourth proportional to 8,945.79, 12,344.67 and 4,966.80 is: 6,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.79 : 12,344.67 = 4,966.80 : x
  2. Step 2: Convert to fraction form
    8,945.79/12,344.67 = 4,966.80/x
  3. Step 3: Cross multiply
    8,945.79x = 12,344.67 × 4,966.80
  4. Step 4: Simplify right side
    8,945.79x = 61,313,506.96
  5. Step 5: Solve for x
    x = 61,313,506.96/8,945.79
  6. Step 6: Final answer
    x = 6,853.90

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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.