Home / 5,059.35-6,981.84-2,821.19

Finding the Fourth Proportional to 5,059.35, 6,981.84 and 2,821.19

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Solution

The fourth proportional to 5,059.35, 6,981.84 and 2,821.19 is: 3,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.35 : 6,981.84 = 2,821.19 : x
  2. Step 2: Convert to fraction form
    5,059.35/6,981.84 = 2,821.19/x
  3. Step 3: Cross multiply
    5,059.35x = 6,981.84 × 2,821.19
  4. Step 4: Simplify right side
    5,059.35x = 19,697,062.28
  5. Step 5: Solve for x
    x = 19,697,062.28/5,059.35
  6. Step 6: Final answer
    x = 3,893.20

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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.