Home / 7,772.90-11,652.31-3,095.68

Finding the Fourth Proportional to 7,772.90, 11,652.31 and 3,095.68

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Solution

The fourth proportional to 7,772.90, 11,652.31 and 3,095.68 is: 4,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.90 : 11,652.31 = 3,095.68 : x
  2. Step 2: Convert to fraction form
    7,772.90/11,652.31 = 3,095.68/x
  3. Step 3: Cross multiply
    7,772.90x = 11,652.31 × 3,095.68
  4. Step 4: Simplify right side
    7,772.90x = 36,071,823.02
  5. Step 5: Solve for x
    x = 36,071,823.02/7,772.90
  6. Step 6: Final answer
    x = 4,640.72

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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.