Home / 7,835.52-11,751.66-2,905.05

Finding the Fourth Proportional to 7,835.52, 11,751.66 and 2,905.05

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Solution

The fourth proportional to 7,835.52, 11,751.66 and 2,905.05 is: 4,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.52 : 11,751.66 = 2,905.05 : x
  2. Step 2: Convert to fraction form
    7,835.52/11,751.66 = 2,905.05/x
  3. Step 3: Cross multiply
    7,835.52x = 11,751.66 × 2,905.05
  4. Step 4: Simplify right side
    7,835.52x = 34,139,159.88
  5. Step 5: Solve for x
    x = 34,139,159.88/7,835.52
  6. Step 6: Final answer
    x = 4,356.97

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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.