Home / 4,740-6,541.92-2,876.64

Finding the Fourth Proportional to 4,740, 6,541.92 and 2,876.64

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Solution

The fourth proportional to 4,740, 6,541.92 and 2,876.64 is: 3,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740 : 6,541.92 = 2,876.64 : x
  2. Step 2: Convert to fraction form
    4,740/6,541.92 = 2,876.64/x
  3. Step 3: Cross multiply
    4,740x = 6,541.92 × 2,876.64
  4. Step 4: Simplify right side
    4,740x = 18,818,748.75
  5. Step 5: Solve for x
    x = 18,818,748.75/4,740
  6. Step 6: Final answer
    x = 3,970.20

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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.