Home / 6,897.12-10,345.68-1,702.92

Finding the Fourth Proportional to 6,897.12, 10,345.68 and 1,702.92

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Solution

The fourth proportional to 6,897.12, 10,345.68 and 1,702.92 is: 2,554.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.12 : 10,345.68 = 1,702.92 : x
  2. Step 2: Convert to fraction form
    6,897.12/10,345.68 = 1,702.92/x
  3. Step 3: Cross multiply
    6,897.12x = 10,345.68 × 1,702.92
  4. Step 4: Simplify right side
    6,897.12x = 17,617,865.39
  5. Step 5: Solve for x
    x = 17,617,865.39/6,897.12
  6. Step 6: Final answer
    x = 2,554.38

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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.