Home / 5,779.12-8,655.44-5,114.12

Finding the Fourth Proportional to 5,779.12, 8,655.44 and 5,114.12

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Solution

The fourth proportional to 5,779.12, 8,655.44 and 5,114.12 is: 7,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.12 : 8,655.44 = 5,114.12 : x
  2. Step 2: Convert to fraction form
    5,779.12/8,655.44 = 5,114.12/x
  3. Step 3: Cross multiply
    5,779.12x = 8,655.44 × 5,114.12
  4. Step 4: Simplify right side
    5,779.12x = 44,264,958.81
  5. Step 5: Solve for x
    x = 44,264,958.81/5,779.12
  6. Step 6: Final answer
    x = 7,659.46

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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.