Home / 4,405.36-6,608.28-1,118.47

Finding the Fourth Proportional to 4,405.36, 6,608.28 and 1,118.47

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Solution

The fourth proportional to 4,405.36, 6,608.28 and 1,118.47 is: 1,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.36 : 6,608.28 = 1,118.47 : x
  2. Step 2: Convert to fraction form
    4,405.36/6,608.28 = 1,118.47/x
  3. Step 3: Cross multiply
    4,405.36x = 6,608.28 × 1,118.47
  4. Step 4: Simplify right side
    4,405.36x = 7,391,162.93
  5. Step 5: Solve for x
    x = 7,391,162.93/4,405.36
  6. Step 6: Final answer
    x = 1,677.77

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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.