Home / 7,648.83-11,474.98-2,718.45

Finding the Fourth Proportional to 7,648.83, 11,474.98 and 2,718.45

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Solution

The fourth proportional to 7,648.83, 11,474.98 and 2,718.45 is: 4,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.83 : 11,474.98 = 2,718.45 : x
  2. Step 2: Convert to fraction form
    7,648.83/11,474.98 = 2,718.45/x
  3. Step 3: Cross multiply
    7,648.83x = 11,474.98 × 2,718.45
  4. Step 4: Simplify right side
    7,648.83x = 31,194,152.58
  5. Step 5: Solve for x
    x = 31,194,152.58/7,648.83
  6. Step 6: Final answer
    x = 4,078.29

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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.