Home / 5,113.17-7,669.75-1,603.46

Finding the Fourth Proportional to 5,113.17, 7,669.75 and 1,603.46

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Solution

The fourth proportional to 5,113.17, 7,669.75 and 1,603.46 is: 2,405.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.17 : 7,669.75 = 1,603.46 : x
  2. Step 2: Convert to fraction form
    5,113.17/7,669.75 = 1,603.46/x
  3. Step 3: Cross multiply
    5,113.17x = 7,669.75 × 1,603.46
  4. Step 4: Simplify right side
    5,113.17x = 12,298,137.34
  5. Step 5: Solve for x
    x = 12,298,137.34/5,113.17
  6. Step 6: Final answer
    x = 2,405.19

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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.