Home / 7,875.26-11,800.05-4,591.13

Finding the Fourth Proportional to 7,875.26, 11,800.05 and 4,591.13

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Solution

The fourth proportional to 7,875.26, 11,800.05 and 4,591.13 is: 6,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.26 : 11,800.05 = 4,591.13 : x
  2. Step 2: Convert to fraction form
    7,875.26/11,800.05 = 4,591.13/x
  3. Step 3: Cross multiply
    7,875.26x = 11,800.05 × 4,591.13
  4. Step 4: Simplify right side
    7,875.26x = 54,175,563.56
  5. Step 5: Solve for x
    x = 54,175,563.56/7,875.26
  6. Step 6: Final answer
    x = 6,879.21

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1.5x scale

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.