Home / 8,484.64-11,722.89-6,705.76

Finding the Fourth Proportional to 8,484.64, 11,722.89 and 6,705.76

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Solution

The fourth proportional to 8,484.64, 11,722.89 and 6,705.76 is: 9,265.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.64 : 11,722.89 = 6,705.76 : x
  2. Step 2: Convert to fraction form
    8,484.64/11,722.89 = 6,705.76/x
  3. Step 3: Cross multiply
    8,484.64x = 11,722.89 × 6,705.76
  4. Step 4: Simplify right side
    8,484.64x = 78,610,794.70
  5. Step 5: Solve for x
    x = 78,610,794.70/8,484.64
  6. Step 6: Final answer
    x = 9,265.08

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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.