Home / 5,779.36-8,662.56-2,312.56

Finding the Fourth Proportional to 5,779.36, 8,662.56 and 2,312.56

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Solution

The fourth proportional to 5,779.36, 8,662.56 and 2,312.56 is: 3,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.36 : 8,662.56 = 2,312.56 : x
  2. Step 2: Convert to fraction form
    5,779.36/8,662.56 = 2,312.56/x
  3. Step 3: Cross multiply
    5,779.36x = 8,662.56 × 2,312.56
  4. Step 4: Simplify right side
    5,779.36x = 20,032,689.75
  5. Step 5: Solve for x
    x = 20,032,689.75/5,779.36
  6. Step 6: Final answer
    x = 3,466.25

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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.