Home / 4,579.65-6,870.60-1,292.70

Finding the Fourth Proportional to 4,579.65, 6,870.60 and 1,292.70

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Solution

The fourth proportional to 4,579.65, 6,870.60 and 1,292.70 is: 1,939.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.65 : 6,870.60 = 1,292.70 : x
  2. Step 2: Convert to fraction form
    4,579.65/6,870.60 = 1,292.70/x
  3. Step 3: Cross multiply
    4,579.65x = 6,870.60 × 1,292.70
  4. Step 4: Simplify right side
    4,579.65x = 8,881,624.62
  5. Step 5: Solve for x
    x = 8,881,624.62/4,579.65
  6. Step 6: Final answer
    x = 1,939.37

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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.