Home / 7,637.86-10,539.31-4,652.61

Finding the Fourth Proportional to 7,637.86, 10,539.31 and 4,652.61

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Solution

The fourth proportional to 7,637.86, 10,539.31 and 4,652.61 is: 6,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.86 : 10,539.31 = 4,652.61 : x
  2. Step 2: Convert to fraction form
    7,637.86/10,539.31 = 4,652.61/x
  3. Step 3: Cross multiply
    7,637.86x = 10,539.31 × 4,652.61
  4. Step 4: Simplify right side
    7,637.86x = 49,035,299.10
  5. Step 5: Solve for x
    x = 49,035,299.10/7,637.86
  6. Step 6: Final answer
    x = 6,420.03

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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.