Home / 6,864.80-9,473.33-3,720.92

Finding the Fourth Proportional to 6,864.80, 9,473.33 and 3,720.92

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Solution

The fourth proportional to 6,864.80, 9,473.33 and 3,720.92 is: 5,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.80 : 9,473.33 = 3,720.92 : x
  2. Step 2: Convert to fraction form
    6,864.80/9,473.33 = 3,720.92/x
  3. Step 3: Cross multiply
    6,864.80x = 9,473.33 × 3,720.92
  4. Step 4: Simplify right side
    6,864.80x = 35,249,465.00
  5. Step 5: Solve for x
    x = 35,249,465.00/6,864.80
  6. Step 6: Final answer
    x = 5,134.82

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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.