Home / 7,757.02-11,639.14-2,827.18

Finding the Fourth Proportional to 7,757.02, 11,639.14 and 2,827.18

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Solution

The fourth proportional to 7,757.02, 11,639.14 and 2,827.18 is: 4,242.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.02 : 11,639.14 = 2,827.18 : x
  2. Step 2: Convert to fraction form
    7,757.02/11,639.14 = 2,827.18/x
  3. Step 3: Cross multiply
    7,757.02x = 11,639.14 × 2,827.18
  4. Step 4: Simplify right side
    7,757.02x = 32,905,943.83
  5. Step 5: Solve for x
    x = 32,905,943.83/7,757.02
  6. Step 6: Final answer
    x = 4,242.09

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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.