Home / 4,063.20-5,608.80-2,666.40

Finding the Fourth Proportional to 4,063.20, 5,608.80 and 2,666.40

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Solution

The fourth proportional to 4,063.20, 5,608.80 and 2,666.40 is: 3,680.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,063.20 : 5,608.80 = 2,666.40 : x
  2. Step 2: Convert to fraction form
    4,063.20/5,608.80 = 2,666.40/x
  3. Step 3: Cross multiply
    4,063.20x = 5,608.80 × 2,666.40
  4. Step 4: Simplify right side
    4,063.20x = 14,955,304.32
  5. Step 5: Solve for x
    x = 14,955,304.32/4,063.20
  6. Step 6: Final answer
    x = 3,680.67

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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.