Home / 8,646.18-11,932.63-5,291.23

Finding the Fourth Proportional to 8,646.18, 11,932.63 and 5,291.23

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Solution

The fourth proportional to 8,646.18, 11,932.63 and 5,291.23 is: 7,302.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.18 : 11,932.63 = 5,291.23 : x
  2. Step 2: Convert to fraction form
    8,646.18/11,932.63 = 5,291.23/x
  3. Step 3: Cross multiply
    8,646.18x = 11,932.63 × 5,291.23
  4. Step 4: Simplify right side
    8,646.18x = 63,138,233.55
  5. Step 5: Solve for x
    x = 63,138,233.55/8,646.18
  6. Step 6: Final answer
    x = 7,302.44

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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.