Home / 4,813.20-7,220.20-1,526.22

Finding the Fourth Proportional to 4,813.20, 7,220.20 and 1,526.22

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Solution

The fourth proportional to 4,813.20, 7,220.20 and 1,526.22 is: 2,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.20 : 7,220.20 = 1,526.22 : x
  2. Step 2: Convert to fraction form
    4,813.20/7,220.20 = 1,526.22/x
  3. Step 3: Cross multiply
    4,813.20x = 7,220.20 × 1,526.22
  4. Step 4: Simplify right side
    4,813.20x = 11,019,613.64
  5. Step 5: Solve for x
    x = 11,019,613.64/4,813.20
  6. Step 6: Final answer
    x = 2,289.46

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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.