Home / 7,386.71-10,193.39-4,200.14

Finding the Fourth Proportional to 7,386.71, 10,193.39 and 4,200.14

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Solution

The fourth proportional to 7,386.71, 10,193.39 and 4,200.14 is: 5,796.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.71 : 10,193.39 = 4,200.14 : x
  2. Step 2: Convert to fraction form
    7,386.71/10,193.39 = 4,200.14/x
  3. Step 3: Cross multiply
    7,386.71x = 10,193.39 × 4,200.14
  4. Step 4: Simplify right side
    7,386.71x = 42,813,651.60
  5. Step 5: Solve for x
    x = 42,813,651.60/7,386.71
  6. Step 6: Final answer
    x = 5,796.04

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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.