Home / 5,220.24-7,830.69-2,298.51

Finding the Fourth Proportional to 5,220.24, 7,830.69 and 2,298.51

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Solution

The fourth proportional to 5,220.24, 7,830.69 and 2,298.51 is: 3,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.24 : 7,830.69 = 2,298.51 : x
  2. Step 2: Convert to fraction form
    5,220.24/7,830.69 = 2,298.51/x
  3. Step 3: Cross multiply
    5,220.24x = 7,830.69 × 2,298.51
  4. Step 4: Simplify right side
    5,220.24x = 17,998,919.27
  5. Step 5: Solve for x
    x = 17,998,919.27/5,220.24
  6. Step 6: Final answer
    x = 3,447.91

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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.