Home / 5,146.37-7,101.99-2,788.50

Finding the Fourth Proportional to 5,146.37, 7,101.99 and 2,788.50

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Solution

The fourth proportional to 5,146.37, 7,101.99 and 2,788.50 is: 3,848.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.37 : 7,101.99 = 2,788.50 : x
  2. Step 2: Convert to fraction form
    5,146.37/7,101.99 = 2,788.50/x
  3. Step 3: Cross multiply
    5,146.37x = 7,101.99 × 2,788.50
  4. Step 4: Simplify right side
    5,146.37x = 19,803,899.12
  5. Step 5: Solve for x
    x = 19,803,899.12/5,146.37
  6. Step 6: Final answer
    x = 3,848.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.