Home / 9,076.79-13,612.55-3,528.90

Finding the Fourth Proportional to 9,076.79, 13,612.55 and 3,528.90

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Solution

The fourth proportional to 9,076.79, 13,612.55 and 3,528.90 is: 5,292.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.79 : 13,612.55 = 3,528.90 : x
  2. Step 2: Convert to fraction form
    9,076.79/13,612.55 = 3,528.90/x
  3. Step 3: Cross multiply
    9,076.79x = 13,612.55 × 3,528.90
  4. Step 4: Simplify right side
    9,076.79x = 48,037,310.05
  5. Step 5: Solve for x
    x = 48,037,310.05/9,076.79
  6. Step 6: Final answer
    x = 5,292.32

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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.