Home / 7,637.59-11,457.75-3,938.82

Finding the Fourth Proportional to 7,637.59, 11,457.75 and 3,938.82

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Solution

The fourth proportional to 7,637.59, 11,457.75 and 3,938.82 is: 5,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.59 : 11,457.75 = 3,938.82 : x
  2. Step 2: Convert to fraction form
    7,637.59/11,457.75 = 3,938.82/x
  3. Step 3: Cross multiply
    7,637.59x = 11,457.75 × 3,938.82
  4. Step 4: Simplify right side
    7,637.59x = 45,130,014.86
  5. Step 5: Solve for x
    x = 45,130,014.86/7,637.59
  6. Step 6: Final answer
    x = 5,908.93

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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.