Home / 5,405.61-8,099.46-2,477.46

Finding the Fourth Proportional to 5,405.61, 8,099.46 and 2,477.46

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Solution

The fourth proportional to 5,405.61, 8,099.46 and 2,477.46 is: 3,712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.61 : 8,099.46 = 2,477.46 : x
  2. Step 2: Convert to fraction form
    5,405.61/8,099.46 = 2,477.46/x
  3. Step 3: Cross multiply
    5,405.61x = 8,099.46 × 2,477.46
  4. Step 4: Simplify right side
    5,405.61x = 20,066,088.17
  5. Step 5: Solve for x
    x = 20,066,088.17/5,405.61
  6. Step 6: Final answer
    x = 3,712.09

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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.