Home / 7,589.78-11,373.66-4,077.02

Finding the Fourth Proportional to 7,589.78, 11,373.66 and 4,077.02

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Solution

The fourth proportional to 7,589.78, 11,373.66 and 4,077.02 is: 6,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.78 : 11,373.66 = 4,077.02 : x
  2. Step 2: Convert to fraction form
    7,589.78/11,373.66 = 4,077.02/x
  3. Step 3: Cross multiply
    7,589.78x = 11,373.66 × 4,077.02
  4. Step 4: Simplify right side
    7,589.78x = 46,370,639.29
  5. Step 5: Solve for x
    x = 46,370,639.29/7,589.78
  6. Step 6: Final answer
    x = 6,109.62

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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.