Home / 4,920.09-7,381.35-2,322.42

Finding the Fourth Proportional to 4,920.09, 7,381.35 and 2,322.42

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Solution

The fourth proportional to 4,920.09, 7,381.35 and 2,322.42 is: 3,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.09 : 7,381.35 = 2,322.42 : x
  2. Step 2: Convert to fraction form
    4,920.09/7,381.35 = 2,322.42/x
  3. Step 3: Cross multiply
    4,920.09x = 7,381.35 × 2,322.42
  4. Step 4: Simplify right side
    4,920.09x = 17,142,594.87
  5. Step 5: Solve for x
    x = 17,142,594.87/4,920.09
  6. Step 6: Final answer
    x = 3,484.20

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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.