Home / 8,880.52-13,320.77-2,640.51

Finding the Fourth Proportional to 8,880.52, 13,320.77 and 2,640.51

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Solution

The fourth proportional to 8,880.52, 13,320.77 and 2,640.51 is: 3,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.52 : 13,320.77 = 2,640.51 : x
  2. Step 2: Convert to fraction form
    8,880.52/13,320.77 = 2,640.51/x
  3. Step 3: Cross multiply
    8,880.52x = 13,320.77 × 2,640.51
  4. Step 4: Simplify right side
    8,880.52x = 35,173,559.79
  5. Step 5: Solve for x
    x = 35,173,559.79/8,880.52
  6. Step 6: Final answer
    x = 3,960.75

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Similar ratio
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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.