Home / 4,813.64-7,220.71-1,526.99

Finding the Fourth Proportional to 4,813.64, 7,220.71 and 1,526.99

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Solution

The fourth proportional to 4,813.64, 7,220.71 and 1,526.99 is: 2,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.64 : 7,220.71 = 1,526.99 : x
  2. Step 2: Convert to fraction form
    4,813.64/7,220.71 = 1,526.99/x
  3. Step 3: Cross multiply
    4,813.64x = 7,220.71 × 1,526.99
  4. Step 4: Simplify right side
    4,813.64x = 11,025,937.73
  5. Step 5: Solve for x
    x = 11,025,937.73/4,813.64
  6. Step 6: Final answer
    x = 2,290.56

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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.