Home / 5,405.50-7,459.59-3,750.46

Finding the Fourth Proportional to 5,405.50, 7,459.59 and 3,750.46

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Solution

The fourth proportional to 5,405.50, 7,459.59 and 3,750.46 is: 5,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.50 : 7,459.59 = 3,750.46 : x
  2. Step 2: Convert to fraction form
    5,405.50/7,459.59 = 3,750.46/x
  3. Step 3: Cross multiply
    5,405.50x = 7,459.59 × 3,750.46
  4. Step 4: Simplify right side
    5,405.50x = 27,976,893.91
  5. Step 5: Solve for x
    x = 27,976,893.91/5,405.50
  6. Step 6: Final answer
    x = 5,175.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.