Home / 4,378.50-6,564.51-2,820.24

Finding the Fourth Proportional to 4,378.50, 6,564.51 and 2,820.24

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Solution

The fourth proportional to 4,378.50, 6,564.51 and 2,820.24 is: 4,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.50 : 6,564.51 = 2,820.24 : x
  2. Step 2: Convert to fraction form
    4,378.50/6,564.51 = 2,820.24/x
  3. Step 3: Cross multiply
    4,378.50x = 6,564.51 × 2,820.24
  4. Step 4: Simplify right side
    4,378.50x = 18,513,493.68
  5. Step 5: Solve for x
    x = 18,513,493.68/4,378.50
  6. Step 6: Final answer
    x = 4,228.27

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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.