Home / 5,539.23-8,308.89-1,643.63

Finding the Fourth Proportional to 5,539.23, 8,308.89 and 1,643.63

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Solution

The fourth proportional to 5,539.23, 8,308.89 and 1,643.63 is: 2,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.23 : 8,308.89 = 1,643.63 : x
  2. Step 2: Convert to fraction form
    5,539.23/8,308.89 = 1,643.63/x
  3. Step 3: Cross multiply
    5,539.23x = 8,308.89 × 1,643.63
  4. Step 4: Simplify right side
    5,539.23x = 13,656,761.64
  5. Step 5: Solve for x
    x = 13,656,761.64/5,539.23
  6. Step 6: Final answer
    x = 2,465.46

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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.