Home / 5,539.86-8,308.53-1,591.09

Finding the Fourth Proportional to 5,539.86, 8,308.53 and 1,591.09

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Solution

The fourth proportional to 5,539.86, 8,308.53 and 1,591.09 is: 2,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.86 : 8,308.53 = 1,591.09 : x
  2. Step 2: Convert to fraction form
    5,539.86/8,308.53 = 1,591.09/x
  3. Step 3: Cross multiply
    5,539.86x = 8,308.53 × 1,591.09
  4. Step 4: Simplify right side
    5,539.86x = 13,219,599.10
  5. Step 5: Solve for x
    x = 13,219,599.10/5,539.86
  6. Step 6: Final answer
    x = 2,386.27

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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.