Home / 5,236.66-7,856.34-1,539.01

Finding the Fourth Proportional to 5,236.66, 7,856.34 and 1,539.01

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Solution

The fourth proportional to 5,236.66, 7,856.34 and 1,539.01 is: 2,308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.66 : 7,856.34 = 1,539.01 : x
  2. Step 2: Convert to fraction form
    5,236.66/7,856.34 = 1,539.01/x
  3. Step 3: Cross multiply
    5,236.66x = 7,856.34 × 1,539.01
  4. Step 4: Simplify right side
    5,236.66x = 12,090,985.82
  5. Step 5: Solve for x
    x = 12,090,985.82/5,236.66
  6. Step 6: Final answer
    x = 2,308.91

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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.