Home / 8,635.74-11,917.30-4,858.91

Finding the Fourth Proportional to 8,635.74, 11,917.30 and 4,858.91

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Solution

The fourth proportional to 8,635.74, 11,917.30 and 4,858.91 is: 6,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.74 : 11,917.30 = 4,858.91 : x
  2. Step 2: Convert to fraction form
    8,635.74/11,917.30 = 4,858.91/x
  3. Step 3: Cross multiply
    8,635.74x = 11,917.30 × 4,858.91
  4. Step 4: Simplify right side
    8,635.74x = 57,905,088.14
  5. Step 5: Solve for x
    x = 57,905,088.14/8,635.74
  6. Step 6: Final answer
    x = 6,705.28

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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.