Home / 5,260.26-7,890.38-1,364.70

Finding the Fourth Proportional to 5,260.26, 7,890.38 and 1,364.70

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Solution

The fourth proportional to 5,260.26, 7,890.38 and 1,364.70 is: 2,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.26 : 7,890.38 = 1,364.70 : x
  2. Step 2: Convert to fraction form
    5,260.26/7,890.38 = 1,364.70/x
  3. Step 3: Cross multiply
    5,260.26x = 7,890.38 × 1,364.70
  4. Step 4: Simplify right side
    5,260.26x = 10,768,001.59
  5. Step 5: Solve for x
    x = 10,768,001.59/5,260.26
  6. Step 6: Final answer
    x = 2,047.05

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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.