Home / 4,660.79-6,988.91-1,657.82

Finding the Fourth Proportional to 4,660.79, 6,988.91 and 1,657.82

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Solution

The fourth proportional to 4,660.79, 6,988.91 and 1,657.82 is: 2,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.79 : 6,988.91 = 1,657.82 : x
  2. Step 2: Convert to fraction form
    4,660.79/6,988.91 = 1,657.82/x
  3. Step 3: Cross multiply
    4,660.79x = 6,988.91 × 1,657.82
  4. Step 4: Simplify right side
    4,660.79x = 11,586,363.96
  5. Step 5: Solve for x
    x = 11,586,363.96/4,660.79
  6. Step 6: Final answer
    x = 2,485.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.