Home / 4,456.79-6,685.01-1,125.00

Finding the Fourth Proportional to 4,456.79, 6,685.01 and 1,125.00

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Solution

The fourth proportional to 4,456.79, 6,685.01 and 1,125.00 is: 1,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.79 : 6,685.01 = 1,125.00 : x
  2. Step 2: Convert to fraction form
    4,456.79/6,685.01 = 1,125.00/x
  3. Step 3: Cross multiply
    4,456.79x = 6,685.01 × 1,125.00
  4. Step 4: Simplify right side
    4,456.79x = 7,520,601.45
  5. Step 5: Solve for x
    x = 7,520,601.45/4,456.79
  6. Step 6: Final answer
    x = 1,687.45

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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.