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Finding the Fourth Proportional to 4,718.76, 6,512.50 and 3,045.04

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Solution

The fourth proportional to 4,718.76, 6,512.50 and 3,045.04 is: 4,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.76 : 6,512.50 = 3,045.04 : x
  2. Step 2: Convert to fraction form
    4,718.76/6,512.50 = 3,045.04/x
  3. Step 3: Cross multiply
    4,718.76x = 6,512.50 × 3,045.04
  4. Step 4: Simplify right side
    4,718.76x = 19,830,823
  5. Step 5: Solve for x
    x = 19,830,823/4,718.76
  6. Step 6: Final answer
    x = 4,202.55

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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.