Home / 4,885.29-7,327.87-1,187.51

Finding the Fourth Proportional to 4,885.29, 7,327.87 and 1,187.51

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Solution

The fourth proportional to 4,885.29, 7,327.87 and 1,187.51 is: 1,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.29 : 7,327.87 = 1,187.51 : x
  2. Step 2: Convert to fraction form
    4,885.29/7,327.87 = 1,187.51/x
  3. Step 3: Cross multiply
    4,885.29x = 7,327.87 × 1,187.51
  4. Step 4: Simplify right side
    4,885.29x = 8,701,897.62
  5. Step 5: Solve for x
    x = 8,701,897.62/4,885.29
  6. Step 6: Final answer
    x = 1,781.25

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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.