Home / 6,920.90-10,358.78-5,268.33

Finding the Fourth Proportional to 6,920.90, 10,358.78 and 5,268.33

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Solution

The fourth proportional to 6,920.90, 10,358.78 and 5,268.33 is: 7,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.90 : 10,358.78 = 5,268.33 : x
  2. Step 2: Convert to fraction form
    6,920.90/10,358.78 = 5,268.33/x
  3. Step 3: Cross multiply
    6,920.90x = 10,358.78 × 5,268.33
  4. Step 4: Simplify right side
    6,920.90x = 54,573,483.94
  5. Step 5: Solve for x
    x = 54,573,483.94/6,920.90
  6. Step 6: Final answer
    x = 7,885.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.