Home / 4,470.08-6,701.34-2,128.76

Finding the Fourth Proportional to 4,470.08, 6,701.34 and 2,128.76

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Solution

The fourth proportional to 4,470.08, 6,701.34 and 2,128.76 is: 3,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,470.08 : 6,701.34 = 2,128.76 : x
  2. Step 2: Convert to fraction form
    4,470.08/6,701.34 = 2,128.76/x
  3. Step 3: Cross multiply
    4,470.08x = 6,701.34 × 2,128.76
  4. Step 4: Simplify right side
    4,470.08x = 14,265,544.54
  5. Step 5: Solve for x
    x = 14,265,544.54/4,470.08
  6. Step 6: Final answer
    x = 3,191.34

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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.