Home / 7,895.48-11,848.50-3,278.48

Finding the Fourth Proportional to 7,895.48, 11,848.50 and 3,278.48

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Solution

The fourth proportional to 7,895.48, 11,848.50 and 3,278.48 is: 4,919.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.48 : 11,848.50 = 3,278.48 : x
  2. Step 2: Convert to fraction form
    7,895.48/11,848.50 = 3,278.48/x
  3. Step 3: Cross multiply
    7,895.48x = 11,848.50 × 3,278.48
  4. Step 4: Simplify right side
    7,895.48x = 38,845,070.28
  5. Step 5: Solve for x
    x = 38,845,070.28/7,895.48
  6. Step 6: Final answer
    x = 4,919.91

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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.