Home / 8,558.50-11,810.99-4,781.83

Finding the Fourth Proportional to 8,558.50, 11,810.99 and 4,781.83

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Solution

The fourth proportional to 8,558.50, 11,810.99 and 4,781.83 is: 6,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.50 : 11,810.99 = 4,781.83 : x
  2. Step 2: Convert to fraction form
    8,558.50/11,810.99 = 4,781.83/x
  3. Step 3: Cross multiply
    8,558.50x = 11,810.99 × 4,781.83
  4. Step 4: Simplify right side
    8,558.50x = 56,478,146.31
  5. Step 5: Solve for x
    x = 56,478,146.31/8,558.50
  6. Step 6: Final answer
    x = 6,599.07

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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.