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Finding the Fourth Proportional to 7,897, 10,897.56 and 4,360.14

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Solution

The fourth proportional to 7,897, 10,897.56 and 4,360.14 is: 6,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897 : 10,897.56 = 4,360.14 : x
  2. Step 2: Convert to fraction form
    7,897/10,897.56 = 4,360.14/x
  3. Step 3: Cross multiply
    7,897x = 10,897.56 × 4,360.14
  4. Step 4: Simplify right side
    7,897x = 47,514,887.26
  5. Step 5: Solve for x
    x = 47,514,887.26/7,897
  6. Step 6: Final answer
    x = 6,016.83

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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.