Home / 4,721.39-6,516.86-3,783.71

Finding the Fourth Proportional to 4,721.39, 6,516.86 and 3,783.71

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Solution

The fourth proportional to 4,721.39, 6,516.86 and 3,783.71 is: 5,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.39 : 6,516.86 = 3,783.71 : x
  2. Step 2: Convert to fraction form
    4,721.39/6,516.86 = 3,783.71/x
  3. Step 3: Cross multiply
    4,721.39x = 6,516.86 × 3,783.71
  4. Step 4: Simplify right side
    4,721.39x = 24,657,905.72
  5. Step 5: Solve for x
    x = 24,657,905.72/4,721.39
  6. Step 6: Final answer
    x = 5,222.60

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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.