Home / 7,648.95-11,473.44-2,718.58

Finding the Fourth Proportional to 7,648.95, 11,473.44 and 2,718.58

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Solution

The fourth proportional to 7,648.95, 11,473.44 and 2,718.58 is: 4,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.95 : 11,473.44 = 2,718.58 : x
  2. Step 2: Convert to fraction form
    7,648.95/11,473.44 = 2,718.58/x
  3. Step 3: Cross multiply
    7,648.95x = 11,473.44 × 2,718.58
  4. Step 4: Simplify right side
    7,648.95x = 31,191,464.52
  5. Step 5: Solve for x
    x = 31,191,464.52/7,648.95
  6. Step 6: Final answer
    x = 4,077.88

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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.