Home / 5,265.18-7,893.17-1,977.39

Finding the Fourth Proportional to 5,265.18, 7,893.17 and 1,977.39

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Solution

The fourth proportional to 5,265.18, 7,893.17 and 1,977.39 is: 2,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.18 : 7,893.17 = 1,977.39 : x
  2. Step 2: Convert to fraction form
    5,265.18/7,893.17 = 1,977.39/x
  3. Step 3: Cross multiply
    5,265.18x = 7,893.17 × 1,977.39
  4. Step 4: Simplify right side
    5,265.18x = 15,607,840.90
  5. Step 5: Solve for x
    x = 15,607,840.90/5,265.18
  6. Step 6: Final answer
    x = 2,964.35

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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.