Home / 7,317.71-10,098.35-3,960.45

Finding the Fourth Proportional to 7,317.71, 10,098.35 and 3,960.45

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Solution

The fourth proportional to 7,317.71, 10,098.35 and 3,960.45 is: 5,465.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.71 : 10,098.35 = 3,960.45 : x
  2. Step 2: Convert to fraction form
    7,317.71/10,098.35 = 3,960.45/x
  3. Step 3: Cross multiply
    7,317.71x = 10,098.35 × 3,960.45
  4. Step 4: Simplify right side
    7,317.71x = 39,993,959.77
  5. Step 5: Solve for x
    x = 39,993,959.77/7,317.71
  6. Step 6: Final answer
    x = 5,465.37

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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.