Home / 8,717.96-13,077.02-6,208.56

Finding the Fourth Proportional to 8,717.96, 13,077.02 and 6,208.56

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Solution

The fourth proportional to 8,717.96, 13,077.02 and 6,208.56 is: 9,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.96 : 13,077.02 = 6,208.56 : x
  2. Step 2: Convert to fraction form
    8,717.96/13,077.02 = 6,208.56/x
  3. Step 3: Cross multiply
    8,717.96x = 13,077.02 × 6,208.56
  4. Step 4: Simplify right side
    8,717.96x = 81,189,463.29
  5. Step 5: Solve for x
    x = 81,189,463.29/8,717.96
  6. Step 6: Final answer
    x = 9,312.90

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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.