Home / 7,191.43-10,787.94-3,030.67

Finding the Fourth Proportional to 7,191.43, 10,787.94 and 3,030.67

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Solution

The fourth proportional to 7,191.43, 10,787.94 and 3,030.67 is: 4,546.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.43 : 10,787.94 = 3,030.67 : x
  2. Step 2: Convert to fraction form
    7,191.43/10,787.94 = 3,030.67/x
  3. Step 3: Cross multiply
    7,191.43x = 10,787.94 × 3,030.67
  4. Step 4: Simplify right side
    7,191.43x = 32,694,686.12
  5. Step 5: Solve for x
    x = 32,694,686.12/7,191.43
  6. Step 6: Final answer
    x = 4,546.34

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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.