Home / 6,919.90-9,539.57-4,265.54

Finding the Fourth Proportional to 6,919.90, 9,539.57 and 4,265.54

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Solution

The fourth proportional to 6,919.90, 9,539.57 and 4,265.54 is: 5,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.90 : 9,539.57 = 4,265.54 : x
  2. Step 2: Convert to fraction form
    6,919.90/9,539.57 = 4,265.54/x
  3. Step 3: Cross multiply
    6,919.90x = 9,539.57 × 4,265.54
  4. Step 4: Simplify right side
    6,919.90x = 40,691,417.42
  5. Step 5: Solve for x
    x = 40,691,417.42/6,919.90
  6. Step 6: Final answer
    x = 5,880.35

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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.