Home / 6,896.80-10,345.34-1,702.72

Finding the Fourth Proportional to 6,896.80, 10,345.34 and 1,702.72

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Solution

The fourth proportional to 6,896.80, 10,345.34 and 1,702.72 is: 2,554.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.80 : 10,345.34 = 1,702.72 : x
  2. Step 2: Convert to fraction form
    6,896.80/10,345.34 = 1,702.72/x
  3. Step 3: Cross multiply
    6,896.80x = 10,345.34 × 1,702.72
  4. Step 4: Simplify right side
    6,896.80x = 17,615,217.32
  5. Step 5: Solve for x
    x = 17,615,217.32/6,896.80
  6. Step 6: Final answer
    x = 2,554.11

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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.