Home / 4,487.59-6,731.95-1,485.75

Finding the Fourth Proportional to 4,487.59, 6,731.95 and 1,485.75

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Solution

The fourth proportional to 4,487.59, 6,731.95 and 1,485.75 is: 2,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.59 : 6,731.95 = 1,485.75 : x
  2. Step 2: Convert to fraction form
    4,487.59/6,731.95 = 1,485.75/x
  3. Step 3: Cross multiply
    4,487.59x = 6,731.95 × 1,485.75
  4. Step 4: Simplify right side
    4,487.59x = 10,001,987.28
  5. Step 5: Solve for x
    x = 10,001,987.28/4,487.59
  6. Step 6: Final answer
    x = 2,228.81

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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.