Home / 5,779.05-8,709.87-5,457.15

Finding the Fourth Proportional to 5,779.05, 8,709.87 and 5,457.15

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Solution

The fourth proportional to 5,779.05, 8,709.87 and 5,457.15 is: 8,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.05 : 8,709.87 = 5,457.15 : x
  2. Step 2: Convert to fraction form
    5,779.05/8,709.87 = 5,457.15/x
  3. Step 3: Cross multiply
    5,779.05x = 8,709.87 × 5,457.15
  4. Step 4: Simplify right side
    5,779.05x = 47,531,067.07
  5. Step 5: Solve for x
    x = 47,531,067.07/5,779.05
  6. Step 6: Final answer
    x = 8,224.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.