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Finding the Fourth Proportional to 4,574, 6,310.50 and 2,803.70

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Solution

The fourth proportional to 4,574, 6,310.50 and 2,803.70 is: 3,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574 : 6,310.50 = 2,803.70 : x
  2. Step 2: Convert to fraction form
    4,574/6,310.50 = 2,803.70/x
  3. Step 3: Cross multiply
    4,574x = 6,310.50 × 2,803.70
  4. Step 4: Simplify right side
    4,574x = 17,692,748.85
  5. Step 5: Solve for x
    x = 17,692,748.85/4,574
  6. Step 6: Final answer
    x = 3,868.11

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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.