Home / 6,391.56-9,587.61-2,880.93

Finding the Fourth Proportional to 6,391.56, 9,587.61 and 2,880.93

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Solution

The fourth proportional to 6,391.56, 9,587.61 and 2,880.93 is: 4,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.56 : 9,587.61 = 2,880.93 : x
  2. Step 2: Convert to fraction form
    6,391.56/9,587.61 = 2,880.93/x
  3. Step 3: Cross multiply
    6,391.56x = 9,587.61 × 2,880.93
  4. Step 4: Simplify right side
    6,391.56x = 27,621,233.28
  5. Step 5: Solve for x
    x = 27,621,233.28/6,391.56
  6. Step 6: Final answer
    x = 4,321.52

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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.