Home / 7,585.66-11,378.10-2,905.32

Finding the Fourth Proportional to 7,585.66, 11,378.10 and 2,905.32

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Solution

The fourth proportional to 7,585.66, 11,378.10 and 2,905.32 is: 4,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.66 : 11,378.10 = 2,905.32 : x
  2. Step 2: Convert to fraction form
    7,585.66/11,378.10 = 2,905.32/x
  3. Step 3: Cross multiply
    7,585.66x = 11,378.10 × 2,905.32
  4. Step 4: Simplify right side
    7,585.66x = 33,057,021.49
  5. Step 5: Solve for x
    x = 33,057,021.49/7,585.66
  6. Step 6: Final answer
    x = 4,357.83

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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.