Home / 7,318.58-10,099.41-4,131.99

Finding the Fourth Proportional to 7,318.58, 10,099.41 and 4,131.99

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Solution

The fourth proportional to 7,318.58, 10,099.41 and 4,131.99 is: 5,702.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.58 : 10,099.41 = 4,131.99 : x
  2. Step 2: Convert to fraction form
    7,318.58/10,099.41 = 4,131.99/x
  3. Step 3: Cross multiply
    7,318.58x = 10,099.41 × 4,131.99
  4. Step 4: Simplify right side
    7,318.58x = 41,730,661.13
  5. Step 5: Solve for x
    x = 41,730,661.13/7,318.58
  6. Step 6: Final answer
    x = 5,702.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.