Home / 7,746.85-11,620.17-1,903.41

Finding the Fourth Proportional to 7,746.85, 11,620.17 and 1,903.41

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Solution

The fourth proportional to 7,746.85, 11,620.17 and 1,903.41 is: 2,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.85 : 11,620.17 = 1,903.41 : x
  2. Step 2: Convert to fraction form
    7,746.85/11,620.17 = 1,903.41/x
  3. Step 3: Cross multiply
    7,746.85x = 11,620.17 × 1,903.41
  4. Step 4: Simplify right side
    7,746.85x = 22,117,947.78
  5. Step 5: Solve for x
    x = 22,117,947.78/7,746.85
  6. Step 6: Final answer
    x = 2,855.09

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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.