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Finding the Fourth Proportional to 5,012.48, 7,473.06 and 4,884.68

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Solution

The fourth proportional to 5,012.48, 7,473.06 and 4,884.68 is: 7,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.48 : 7,473.06 = 4,884.68 : x
  2. Step 2: Convert to fraction form
    5,012.48/7,473.06 = 4,884.68/x
  3. Step 3: Cross multiply
    5,012.48x = 7,473.06 × 4,884.68
  4. Step 4: Simplify right side
    5,012.48x = 36,503,482.30
  5. Step 5: Solve for x
    x = 36,503,482.30/5,012.48
  6. Step 6: Final answer
    x = 7,282.52

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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.