Home / 4,885.33-7,328.04-1,187.58

Finding the Fourth Proportional to 4,885.33, 7,328.04 and 1,187.58

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Solution

The fourth proportional to 4,885.33, 7,328.04 and 1,187.58 is: 1,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.33 : 7,328.04 = 1,187.58 : x
  2. Step 2: Convert to fraction form
    4,885.33/7,328.04 = 1,187.58/x
  3. Step 3: Cross multiply
    4,885.33x = 7,328.04 × 1,187.58
  4. Step 4: Simplify right side
    4,885.33x = 8,702,633.74
  5. Step 5: Solve for x
    x = 8,702,633.74/4,885.33
  6. Step 6: Final answer
    x = 1,781.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.