Home / 8,897.39-13,345.62-2,657.45

Finding the Fourth Proportional to 8,897.39, 13,345.62 and 2,657.45

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Solution

The fourth proportional to 8,897.39, 13,345.62 and 2,657.45 is: 3,986.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.39 : 13,345.62 = 2,657.45 : x
  2. Step 2: Convert to fraction form
    8,897.39/13,345.62 = 2,657.45/x
  3. Step 3: Cross multiply
    8,897.39x = 13,345.62 × 2,657.45
  4. Step 4: Simplify right side
    8,897.39x = 35,465,251.14
  5. Step 5: Solve for x
    x = 35,465,251.14/8,897.39
  6. Step 6: Final answer
    x = 3,986.03

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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.