Home / 8,897.13-12,263.90-7,005.71

Finding the Fourth Proportional to 8,897.13, 12,263.90 and 7,005.71

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Solution

The fourth proportional to 8,897.13, 12,263.90 and 7,005.71 is: 9,656.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.13 : 12,263.90 = 7,005.71 : x
  2. Step 2: Convert to fraction form
    8,897.13/12,263.90 = 7,005.71/x
  3. Step 3: Cross multiply
    8,897.13x = 12,263.90 × 7,005.71
  4. Step 4: Simplify right side
    8,897.13x = 85,917,326.87
  5. Step 5: Solve for x
    x = 85,917,326.87/8,897.13
  6. Step 6: Final answer
    x = 9,656.75

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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.