Home / 8,635.36-12,952.64-3,089.08

Finding the Fourth Proportional to 8,635.36, 12,952.64 and 3,089.08

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Solution

The fourth proportional to 8,635.36, 12,952.64 and 3,089.08 is: 4,633.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.36 : 12,952.64 = 3,089.08 : x
  2. Step 2: Convert to fraction form
    8,635.36/12,952.64 = 3,089.08/x
  3. Step 3: Cross multiply
    8,635.36x = 12,952.64 × 3,089.08
  4. Step 4: Simplify right side
    8,635.36x = 40,011,741.17
  5. Step 5: Solve for x
    x = 40,011,741.17/8,635.36
  6. Step 6: Final answer
    x = 4,633.48

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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.