Home / 5,645.64-8,470.20-2,528.28

Finding the Fourth Proportional to 5,645.64, 8,470.20 and 2,528.28

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Solution

The fourth proportional to 5,645.64, 8,470.20 and 2,528.28 is: 3,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.64 : 8,470.20 = 2,528.28 : x
  2. Step 2: Convert to fraction form
    5,645.64/8,470.20 = 2,528.28/x
  3. Step 3: Cross multiply
    5,645.64x = 8,470.20 × 2,528.28
  4. Step 4: Simplify right side
    5,645.64x = 21,415,037.26
  5. Step 5: Solve for x
    x = 21,415,037.26/5,645.64
  6. Step 6: Final answer
    x = 3,793.20

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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.