Home / 7,569.90-11,350.80-3,182.40

Finding the Fourth Proportional to 7,569.90, 11,350.80 and 3,182.40

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Solution

The fourth proportional to 7,569.90, 11,350.80 and 3,182.40 is: 4,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.90 : 11,350.80 = 3,182.40 : x
  2. Step 2: Convert to fraction form
    7,569.90/11,350.80 = 3,182.40/x
  3. Step 3: Cross multiply
    7,569.90x = 11,350.80 × 3,182.40
  4. Step 4: Simplify right side
    7,569.90x = 36,122,785.92
  5. Step 5: Solve for x
    x = 36,122,785.92/7,569.90
  6. Step 6: Final answer
    x = 4,771.90

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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.