Home / 8,875.42-13,313.20-3,943.74

Finding the Fourth Proportional to 8,875.42, 13,313.20 and 3,943.74

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Solution

The fourth proportional to 8,875.42, 13,313.20 and 3,943.74 is: 5,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.42 : 13,313.20 = 3,943.74 : x
  2. Step 2: Convert to fraction form
    8,875.42/13,313.20 = 3,943.74/x
  3. Step 3: Cross multiply
    8,875.42x = 13,313.20 × 3,943.74
  4. Step 4: Simplify right side
    8,875.42x = 52,503,799.37
  5. Step 5: Solve for x
    x = 52,503,799.37/8,875.42
  6. Step 6: Final answer
    x = 5,915.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.