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Finding the Fourth Proportional to 7,277.67, 10,916.12 and 2,347.31

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Solution

The fourth proportional to 7,277.67, 10,916.12 and 2,347.31 is: 3,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.67 : 10,916.12 = 2,347.31 : x
  2. Step 2: Convert to fraction form
    7,277.67/10,916.12 = 2,347.31/x
  3. Step 3: Cross multiply
    7,277.67x = 10,916.12 × 2,347.31
  4. Step 4: Simplify right side
    7,277.67x = 25,623,468.51
  5. Step 5: Solve for x
    x = 25,623,468.51/7,277.67
  6. Step 6: Final answer
    x = 3,520.84

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1.5x scale

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.