Home / 5,875.31-8,109.75-3,779.44

Finding the Fourth Proportional to 5,875.31, 8,109.75 and 3,779.44

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Solution

The fourth proportional to 5,875.31, 8,109.75 and 3,779.44 is: 5,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.31 : 8,109.75 = 3,779.44 : x
  2. Step 2: Convert to fraction form
    5,875.31/8,109.75 = 3,779.44/x
  3. Step 3: Cross multiply
    5,875.31x = 8,109.75 × 3,779.44
  4. Step 4: Simplify right side
    5,875.31x = 30,650,307.44
  5. Step 5: Solve for x
    x = 30,650,307.44/5,875.31
  6. Step 6: Final answer
    x = 5,216.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.