Home / 5,539.24-8,307.66-1,643.68

Finding the Fourth Proportional to 5,539.24, 8,307.66 and 1,643.68

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Solution

The fourth proportional to 5,539.24, 8,307.66 and 1,643.68 is: 2,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.24 : 8,307.66 = 1,643.68 : x
  2. Step 2: Convert to fraction form
    5,539.24/8,307.66 = 1,643.68/x
  3. Step 3: Cross multiply
    5,539.24x = 8,307.66 × 1,643.68
  4. Step 4: Simplify right side
    5,539.24x = 13,655,134.59
  5. Step 5: Solve for x
    x = 13,655,134.59/5,539.24
  6. Step 6: Final answer
    x = 2,465.16

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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.