Home / 4,779.99-7,169.91-2,315.02

Finding the Fourth Proportional to 4,779.99, 7,169.91 and 2,315.02

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Solution

The fourth proportional to 4,779.99, 7,169.91 and 2,315.02 is: 3,472.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.99 : 7,169.91 = 2,315.02 : x
  2. Step 2: Convert to fraction form
    4,779.99/7,169.91 = 2,315.02/x
  3. Step 3: Cross multiply
    4,779.99x = 7,169.91 × 2,315.02
  4. Step 4: Simplify right side
    4,779.99x = 16,598,485.05
  5. Step 5: Solve for x
    x = 16,598,485.05/4,779.99
  6. Step 6: Final answer
    x = 3,472.49

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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.