Home / 8,602.16-11,864.68-5,412.36

Finding the Fourth Proportional to 8,602.16, 11,864.68 and 5,412.36

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Solution

The fourth proportional to 8,602.16, 11,864.68 and 5,412.36 is: 7,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.16 : 11,864.68 = 5,412.36 : x
  2. Step 2: Convert to fraction form
    8,602.16/11,864.68 = 5,412.36/x
  3. Step 3: Cross multiply
    8,602.16x = 11,864.68 × 5,412.36
  4. Step 4: Simplify right side
    8,602.16x = 64,215,919.44
  5. Step 5: Solve for x
    x = 64,215,919.44/8,602.16
  6. Step 6: Final answer
    x = 7,465.09

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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.