Home / 8,362.61-12,541.53-3,365

Finding the Fourth Proportional to 8,362.61, 12,541.53 and 3,365

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Solution

The fourth proportional to 8,362.61, 12,541.53 and 3,365 is: 5,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.61 : 12,541.53 = 3,365 : x
  2. Step 2: Convert to fraction form
    8,362.61/12,541.53 = 3,365/x
  3. Step 3: Cross multiply
    8,362.61x = 12,541.53 × 3,365
  4. Step 4: Simplify right side
    8,362.61x = 42,202,248.45
  5. Step 5: Solve for x
    x = 42,202,248.45/8,362.61
  6. Step 6: Final answer
    x = 5,046.54

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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.