Home / 6,355.32-8,770.06-3,560.80

Finding the Fourth Proportional to 6,355.32, 8,770.06 and 3,560.80

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Solution

The fourth proportional to 6,355.32, 8,770.06 and 3,560.80 is: 4,913.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,355.32 : 8,770.06 = 3,560.80 : x
  2. Step 2: Convert to fraction form
    6,355.32/8,770.06 = 3,560.80/x
  3. Step 3: Cross multiply
    6,355.32x = 8,770.06 × 3,560.80
  4. Step 4: Simplify right side
    6,355.32x = 31,228,429.65
  5. Step 5: Solve for x
    x = 31,228,429.65/6,355.32
  6. Step 6: Final answer
    x = 4,913.75

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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.