Home / 8,189.61-11,301.30-4,653.15

Finding the Fourth Proportional to 8,189.61, 11,301.30 and 4,653.15

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Solution

The fourth proportional to 8,189.61, 11,301.30 and 4,653.15 is: 6,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.61 : 11,301.30 = 4,653.15 : x
  2. Step 2: Convert to fraction form
    8,189.61/11,301.30 = 4,653.15/x
  3. Step 3: Cross multiply
    8,189.61x = 11,301.30 × 4,653.15
  4. Step 4: Simplify right side
    8,189.61x = 52,586,644.10
  5. Step 5: Solve for x
    x = 52,586,644.10/8,189.61
  6. Step 6: Final answer
    x = 6,421.14

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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.