Home / 4,278.62-6,420.06-2,403.34

Finding the Fourth Proportional to 4,278.62, 6,420.06 and 2,403.34

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Solution

The fourth proportional to 4,278.62, 6,420.06 and 2,403.34 is: 3,606.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.62 : 6,420.06 = 2,403.34 : x
  2. Step 2: Convert to fraction form
    4,278.62/6,420.06 = 2,403.34/x
  3. Step 3: Cross multiply
    4,278.62x = 6,420.06 × 2,403.34
  4. Step 4: Simplify right side
    4,278.62x = 15,429,587.00
  5. Step 5: Solve for x
    x = 15,429,587.00/4,278.62
  6. Step 6: Final answer
    x = 3,606.21

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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.