Home / 8,579.18-11,823.09-6,875.75

Finding the Fourth Proportional to 8,579.18, 11,823.09 and 6,875.75

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Solution

The fourth proportional to 8,579.18, 11,823.09 and 6,875.75 is: 9,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.18 : 11,823.09 = 6,875.75 : x
  2. Step 2: Convert to fraction form
    8,579.18/11,823.09 = 6,875.75/x
  3. Step 3: Cross multiply
    8,579.18x = 11,823.09 × 6,875.75
  4. Step 4: Simplify right side
    8,579.18x = 81,292,611.07
  5. Step 5: Solve for x
    x = 81,292,611.07/8,579.18
  6. Step 6: Final answer
    x = 9,475.57

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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.