Home / 7,749.21-10,688.50-5,095.77

Finding the Fourth Proportional to 7,749.21, 10,688.50 and 5,095.77

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Solution

The fourth proportional to 7,749.21, 10,688.50 and 5,095.77 is: 7,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.21 : 10,688.50 = 5,095.77 : x
  2. Step 2: Convert to fraction form
    7,749.21/10,688.50 = 5,095.77/x
  3. Step 3: Cross multiply
    7,749.21x = 10,688.50 × 5,095.77
  4. Step 4: Simplify right side
    7,749.21x = 54,466,137.65
  5. Step 5: Solve for x
    x = 54,466,137.65/7,749.21
  6. Step 6: Final answer
    x = 7,028.61

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1.5x scale

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.