Home / 5,603.64-8,405.40-2,316.66

Finding the Fourth Proportional to 5,603.64, 8,405.40 and 2,316.66

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Solution

The fourth proportional to 5,603.64, 8,405.40 and 2,316.66 is: 3,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.64 : 8,405.40 = 2,316.66 : x
  2. Step 2: Convert to fraction form
    5,603.64/8,405.40 = 2,316.66/x
  3. Step 3: Cross multiply
    5,603.64x = 8,405.40 × 2,316.66
  4. Step 4: Simplify right side
    5,603.64x = 19,472,453.96
  5. Step 5: Solve for x
    x = 19,472,453.96/5,603.64
  6. Step 6: Final answer
    x = 3,474.97

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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.