Home / 6,959.18-9,603.60-3,815.36

Finding the Fourth Proportional to 6,959.18, 9,603.60 and 3,815.36

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Solution

The fourth proportional to 6,959.18, 9,603.60 and 3,815.36 is: 5,265.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.18 : 9,603.60 = 3,815.36 : x
  2. Step 2: Convert to fraction form
    6,959.18/9,603.60 = 3,815.36/x
  3. Step 3: Cross multiply
    6,959.18x = 9,603.60 × 3,815.36
  4. Step 4: Simplify right side
    6,959.18x = 36,641,191.30
  5. Step 5: Solve for x
    x = 36,641,191.30/6,959.18
  6. Step 6: Final answer
    x = 5,265.16

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1.5x scale

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.