Home / 4,941.10-6,819.36-2,817.40

Finding the Fourth Proportional to 4,941.10, 6,819.36 and 2,817.40

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Solution

The fourth proportional to 4,941.10, 6,819.36 and 2,817.40 is: 3,888.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.10 : 6,819.36 = 2,817.40 : x
  2. Step 2: Convert to fraction form
    4,941.10/6,819.36 = 2,817.40/x
  3. Step 3: Cross multiply
    4,941.10x = 6,819.36 × 2,817.40
  4. Step 4: Simplify right side
    4,941.10x = 19,212,864.86
  5. Step 5: Solve for x
    x = 19,212,864.86/4,941.10
  6. Step 6: Final answer
    x = 3,888.38

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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.