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Finding the Fourth Proportional to 4,876.48, 7,281.82 and 4,824.98

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Solution

The fourth proportional to 4,876.48, 7,281.82 and 4,824.98 is: 7,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.48 : 7,281.82 = 4,824.98 : x
  2. Step 2: Convert to fraction form
    4,876.48/7,281.82 = 4,824.98/x
  3. Step 3: Cross multiply
    4,876.48x = 7,281.82 × 4,824.98
  4. Step 4: Simplify right side
    4,876.48x = 35,134,587.39
  5. Step 5: Solve for x
    x = 35,134,587.39/4,876.48
  6. Step 6: Final answer
    x = 7,204.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.