Home / 6,520.02-9,782.76-2,821.56

Finding the Fourth Proportional to 6,520.02, 9,782.76 and 2,821.56

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Solution

The fourth proportional to 6,520.02, 9,782.76 and 2,821.56 is: 4,233.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.02 : 9,782.76 = 2,821.56 : x
  2. Step 2: Convert to fraction form
    6,520.02/9,782.76 = 2,821.56/x
  3. Step 3: Cross multiply
    6,520.02x = 9,782.76 × 2,821.56
  4. Step 4: Simplify right side
    6,520.02x = 27,602,644.31
  5. Step 5: Solve for x
    x = 27,602,644.31/6,520.02
  6. Step 6: Final answer
    x = 4,233.52

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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.