Home / 4,885.83-7,328.64-1,188.08

Finding the Fourth Proportional to 4,885.83, 7,328.64 and 1,188.08

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Solution

The fourth proportional to 4,885.83, 7,328.64 and 1,188.08 is: 1,782.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.83 : 7,328.64 = 1,188.08 : x
  2. Step 2: Convert to fraction form
    4,885.83/7,328.64 = 1,188.08/x
  3. Step 3: Cross multiply
    4,885.83x = 7,328.64 × 1,188.08
  4. Step 4: Simplify right side
    4,885.83x = 8,707,010.61
  5. Step 5: Solve for x
    x = 8,707,010.61/4,885.83
  6. Step 6: Final answer
    x = 1,782.09

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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.