Home / 5,219.35-7,202.58-2,981.23

Finding the Fourth Proportional to 5,219.35, 7,202.58 and 2,981.23

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Solution

The fourth proportional to 5,219.35, 7,202.58 and 2,981.23 is: 4,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.35 : 7,202.58 = 2,981.23 : x
  2. Step 2: Convert to fraction form
    5,219.35/7,202.58 = 2,981.23/x
  3. Step 3: Cross multiply
    5,219.35x = 7,202.58 × 2,981.23
  4. Step 4: Simplify right side
    5,219.35x = 21,472,547.57
  5. Step 5: Solve for x
    x = 21,472,547.57/5,219.35
  6. Step 6: Final answer
    x = 4,114.03

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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.