Home / 7,555.58-11,309.10-4,036.78

Finding the Fourth Proportional to 7,555.58, 11,309.10 and 4,036.78

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Solution

The fourth proportional to 7,555.58, 11,309.10 and 4,036.78 is: 6,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.58 : 11,309.10 = 4,036.78 : x
  2. Step 2: Convert to fraction form
    7,555.58/11,309.10 = 4,036.78/x
  3. Step 3: Cross multiply
    7,555.58x = 11,309.10 × 4,036.78
  4. Step 4: Simplify right side
    7,555.58x = 45,652,348.70
  5. Step 5: Solve for x
    x = 45,652,348.70/7,555.58
  6. Step 6: Final answer
    x = 6,042.20

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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.