Home / 4,856.88-7,283.88-1,779.12

Finding the Fourth Proportional to 4,856.88, 7,283.88 and 1,779.12

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Solution

The fourth proportional to 4,856.88, 7,283.88 and 1,779.12 is: 2,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.88 : 7,283.88 = 1,779.12 : x
  2. Step 2: Convert to fraction form
    4,856.88/7,283.88 = 1,779.12/x
  3. Step 3: Cross multiply
    4,856.88x = 7,283.88 × 1,779.12
  4. Step 4: Simplify right side
    4,856.88x = 12,958,896.59
  5. Step 5: Solve for x
    x = 12,958,896.59/4,856.88
  6. Step 6: Final answer
    x = 2,668.15

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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.