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Finding the Fourth Proportional to 4,971.58, 7,487.17 and 4,528.71

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Solution

The fourth proportional to 4,971.58, 7,487.17 and 4,528.71 is: 6,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.58 : 7,487.17 = 4,528.71 : x
  2. Step 2: Convert to fraction form
    4,971.58/7,487.17 = 4,528.71/x
  3. Step 3: Cross multiply
    4,971.58x = 7,487.17 × 4,528.71
  4. Step 4: Simplify right side
    4,971.58x = 33,907,210.33
  5. Step 5: Solve for x
    x = 33,907,210.33/4,971.58
  6. Step 6: Final answer
    x = 6,820.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.