Home / 6,854.22-9,458.79-3,710.40

Finding the Fourth Proportional to 6,854.22, 9,458.79 and 3,710.40

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Solution

The fourth proportional to 6,854.22, 9,458.79 and 3,710.40 is: 5,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,854.22 : 9,458.79 = 3,710.40 : x
  2. Step 2: Convert to fraction form
    6,854.22/9,458.79 = 3,710.40/x
  3. Step 3: Cross multiply
    6,854.22x = 9,458.79 × 3,710.40
  4. Step 4: Simplify right side
    6,854.22x = 35,095,894.42
  5. Step 5: Solve for x
    x = 35,095,894.42/6,854.22
  6. Step 6: Final answer
    x = 5,120.33

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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.