Home / 6,911.85-9,542.30-4,558.10

Finding the Fourth Proportional to 6,911.85, 9,542.30 and 4,558.10

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Solution

The fourth proportional to 6,911.85, 9,542.30 and 4,558.10 is: 6,292.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.85 : 9,542.30 = 4,558.10 : x
  2. Step 2: Convert to fraction form
    6,911.85/9,542.30 = 4,558.10/x
  3. Step 3: Cross multiply
    6,911.85x = 9,542.30 × 4,558.10
  4. Step 4: Simplify right side
    6,911.85x = 43,494,687.13
  5. Step 5: Solve for x
    x = 43,494,687.13/6,911.85
  6. Step 6: Final answer
    x = 6,292.77

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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.