Home / 4,654.90-6,424.06-2,665.72

Finding the Fourth Proportional to 4,654.90, 6,424.06 and 2,665.72

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Solution

The fourth proportional to 4,654.90, 6,424.06 and 2,665.72 is: 3,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654.90 : 6,424.06 = 2,665.72 : x
  2. Step 2: Convert to fraction form
    4,654.90/6,424.06 = 2,665.72/x
  3. Step 3: Cross multiply
    4,654.90x = 6,424.06 × 2,665.72
  4. Step 4: Simplify right side
    4,654.90x = 17,124,713.10
  5. Step 5: Solve for x
    x = 17,124,713.10/4,654.90
  6. Step 6: Final answer
    x = 3,678.86

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1.5x scale

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.