Home / 5,405.36-7,459.17-3,047.72

Finding the Fourth Proportional to 5,405.36, 7,459.17 and 3,047.72

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Solution

The fourth proportional to 5,405.36, 7,459.17 and 3,047.72 is: 4,205.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.36 : 7,459.17 = 3,047.72 : x
  2. Step 2: Convert to fraction form
    5,405.36/7,459.17 = 3,047.72/x
  3. Step 3: Cross multiply
    5,405.36x = 7,459.17 × 3,047.72
  4. Step 4: Simplify right side
    5,405.36x = 22,733,461.59
  5. Step 5: Solve for x
    x = 22,733,461.59/5,405.36
  6. Step 6: Final answer
    x = 4,205.73

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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.