Home / 8,814.75-12,164.40-4,781.58

Finding the Fourth Proportional to 8,814.75, 12,164.40 and 4,781.58

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Solution

The fourth proportional to 8,814.75, 12,164.40 and 4,781.58 is: 6,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.75 : 12,164.40 = 4,781.58 : x
  2. Step 2: Convert to fraction form
    8,814.75/12,164.40 = 4,781.58/x
  3. Step 3: Cross multiply
    8,814.75x = 12,164.40 × 4,781.58
  4. Step 4: Simplify right side
    8,814.75x = 58,165,051.75
  5. Step 5: Solve for x
    x = 58,165,051.75/8,814.75
  6. Step 6: Final answer
    x = 6,598.60

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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.