Home / 4,421.78-6,632.70-2,106.26

Finding the Fourth Proportional to 4,421.78, 6,632.70 and 2,106.26

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Solution

The fourth proportional to 4,421.78, 6,632.70 and 2,106.26 is: 3,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.78 : 6,632.70 = 2,106.26 : x
  2. Step 2: Convert to fraction form
    4,421.78/6,632.70 = 2,106.26/x
  3. Step 3: Cross multiply
    4,421.78x = 6,632.70 × 2,106.26
  4. Step 4: Simplify right side
    4,421.78x = 13,970,190.70
  5. Step 5: Solve for x
    x = 13,970,190.70/4,421.78
  6. Step 6: Final answer
    x = 3,159.40

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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.