Home / 4,941.70-6,819.78-2,925.20

Finding the Fourth Proportional to 4,941.70, 6,819.78 and 2,925.20

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Solution

The fourth proportional to 4,941.70, 6,819.78 and 2,925.20 is: 4,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.70 : 6,819.78 = 2,925.20 : x
  2. Step 2: Convert to fraction form
    4,941.70/6,819.78 = 2,925.20/x
  3. Step 3: Cross multiply
    4,941.70x = 6,819.78 × 2,925.20
  4. Step 4: Simplify right side
    4,941.70x = 19,949,220.46
  5. Step 5: Solve for x
    x = 19,949,220.46/4,941.70
  6. Step 6: Final answer
    x = 4,036.91

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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.