Home / 7,836.16-10,813.86-4,299.40

Finding the Fourth Proportional to 7,836.16, 10,813.86 and 4,299.40

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Solution

The fourth proportional to 7,836.16, 10,813.86 and 4,299.40 is: 5,933.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.16 : 10,813.86 = 4,299.40 : x
  2. Step 2: Convert to fraction form
    7,836.16/10,813.86 = 4,299.40/x
  3. Step 3: Cross multiply
    7,836.16x = 10,813.86 × 4,299.40
  4. Step 4: Simplify right side
    7,836.16x = 46,493,109.68
  5. Step 5: Solve for x
    x = 46,493,109.68/7,836.16
  6. Step 6: Final answer
    x = 5,933.15

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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.