Home / 8,917.37-12,306.03-4,938.74

Finding the Fourth Proportional to 8,917.37, 12,306.03 and 4,938.74

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Solution

The fourth proportional to 8,917.37, 12,306.03 and 4,938.74 is: 6,815.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.37 : 12,306.03 = 4,938.74 : x
  2. Step 2: Convert to fraction form
    8,917.37/12,306.03 = 4,938.74/x
  3. Step 3: Cross multiply
    8,917.37x = 12,306.03 × 4,938.74
  4. Step 4: Simplify right side
    8,917.37x = 60,776,282.60
  5. Step 5: Solve for x
    x = 60,776,282.60/8,917.37
  6. Step 6: Final answer
    x = 6,815.49

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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.