Home / 7,317.92-10,098.70-3,960.74

Finding the Fourth Proportional to 7,317.92, 10,098.70 and 3,960.74

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Solution

The fourth proportional to 7,317.92, 10,098.70 and 3,960.74 is: 5,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.92 : 10,098.70 = 3,960.74 : x
  2. Step 2: Convert to fraction form
    7,317.92/10,098.70 = 3,960.74/x
  3. Step 3: Cross multiply
    7,317.92x = 10,098.70 × 3,960.74
  4. Step 4: Simplify right side
    7,317.92x = 39,998,254.74
  5. Step 5: Solve for x
    x = 39,998,254.74/7,317.92
  6. Step 6: Final answer
    x = 5,465.80

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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.