Home / 7,127.08-10,688.44-2,509

Finding the Fourth Proportional to 7,127.08, 10,688.44 and 2,509

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Solution

The fourth proportional to 7,127.08, 10,688.44 and 2,509 is: 3,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.08 : 10,688.44 = 2,509 : x
  2. Step 2: Convert to fraction form
    7,127.08/10,688.44 = 2,509/x
  3. Step 3: Cross multiply
    7,127.08x = 10,688.44 × 2,509
  4. Step 4: Simplify right side
    7,127.08x = 26,817,295.96
  5. Step 5: Solve for x
    x = 26,817,295.96/7,127.08
  6. Step 6: Final answer
    x = 3,762.73

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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.