Home / 4,721.49-6,516.65-3,783.51

Finding the Fourth Proportional to 4,721.49, 6,516.65 and 3,783.51

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Solution

The fourth proportional to 4,721.49, 6,516.65 and 3,783.51 is: 5,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.49 : 6,516.65 = 3,783.51 : x
  2. Step 2: Convert to fraction form
    4,721.49/6,516.65 = 3,783.51/x
  3. Step 3: Cross multiply
    4,721.49x = 6,516.65 × 3,783.51
  4. Step 4: Simplify right side
    4,721.49x = 24,655,819.90
  5. Step 5: Solve for x
    x = 24,655,819.90/4,721.49
  6. Step 6: Final answer
    x = 5,222.04

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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.