Home / 5,456.52-8,186.40-1,759.32

Finding the Fourth Proportional to 5,456.52, 8,186.40 and 1,759.32

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Solution

The fourth proportional to 5,456.52, 8,186.40 and 1,759.32 is: 2,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.52 : 8,186.40 = 1,759.32 : x
  2. Step 2: Convert to fraction form
    5,456.52/8,186.40 = 1,759.32/x
  3. Step 3: Cross multiply
    5,456.52x = 8,186.40 × 1,759.32
  4. Step 4: Simplify right side
    5,456.52x = 14,402,497.25
  5. Step 5: Solve for x
    x = 14,402,497.25/5,456.52
  6. Step 6: Final answer
    x = 2,639.50

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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.