Home / 5,205.50-7,808.25-2,435.28

Finding the Fourth Proportional to 5,205.50, 7,808.25 and 2,435.28

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Solution

The fourth proportional to 5,205.50, 7,808.25 and 2,435.28 is: 3,652.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.50 : 7,808.25 = 2,435.28 : x
  2. Step 2: Convert to fraction form
    5,205.50/7,808.25 = 2,435.28/x
  3. Step 3: Cross multiply
    5,205.50x = 7,808.25 × 2,435.28
  4. Step 4: Simplify right side
    5,205.50x = 19,015,254.91
  5. Step 5: Solve for x
    x = 19,015,254.91/5,205.50
  6. Step 6: Final answer
    x = 3,652.92

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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.