Home / 9,263.43-12,780.36-5,281.68

Finding the Fourth Proportional to 9,263.43, 12,780.36 and 5,281.68

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Solution

The fourth proportional to 9,263.43, 12,780.36 and 5,281.68 is: 7,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,263.43 : 12,780.36 = 5,281.68 : x
  2. Step 2: Convert to fraction form
    9,263.43/12,780.36 = 5,281.68/x
  3. Step 3: Cross multiply
    9,263.43x = 12,780.36 × 5,281.68
  4. Step 4: Simplify right side
    9,263.43x = 67,501,771.80
  5. Step 5: Solve for x
    x = 67,501,771.80/9,263.43
  6. Step 6: Final answer
    x = 7,286.91

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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.