Home / 6,364.40-8,782.85-3,532.20

Finding the Fourth Proportional to 6,364.40, 8,782.85 and 3,532.20

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Solution

The fourth proportional to 6,364.40, 8,782.85 and 3,532.20 is: 4,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,364.40 : 8,782.85 = 3,532.20 : x
  2. Step 2: Convert to fraction form
    6,364.40/8,782.85 = 3,532.20/x
  3. Step 3: Cross multiply
    6,364.40x = 8,782.85 × 3,532.20
  4. Step 4: Simplify right side
    6,364.40x = 31,022,765.11
  5. Step 5: Solve for x
    x = 31,022,765.11/6,364.40
  6. Step 6: Final answer
    x = 4,874.42

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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.