Home / 4,579.81-6,870.00-1,293.15

Finding the Fourth Proportional to 4,579.81, 6,870.00 and 1,293.15

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Solution

The fourth proportional to 4,579.81, 6,870.00 and 1,293.15 is: 1,939.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.81 : 6,870.00 = 1,293.15 : x
  2. Step 2: Convert to fraction form
    4,579.81/6,870.00 = 1,293.15/x
  3. Step 3: Cross multiply
    4,579.81x = 6,870.00 × 1,293.15
  4. Step 4: Simplify right side
    4,579.81x = 8,883,963.84
  5. Step 5: Solve for x
    x = 8,883,963.84/4,579.81
  6. Step 6: Final answer
    x = 1,939.81

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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.