Home / 7,558.90-11,342.40-3,176.80

Finding the Fourth Proportional to 7,558.90, 11,342.40 and 3,176.80

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Solution

The fourth proportional to 7,558.90, 11,342.40 and 3,176.80 is: 4,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.90 : 11,342.40 = 3,176.80 : x
  2. Step 2: Convert to fraction form
    7,558.90/11,342.40 = 3,176.80/x
  3. Step 3: Cross multiply
    7,558.90x = 11,342.40 × 3,176.80
  4. Step 4: Simplify right side
    7,558.90x = 36,032,536.32
  5. Step 5: Solve for x
    x = 36,032,536.32/7,558.90
  6. Step 6: Final answer
    x = 4,766.90

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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.