Home / 7,649.29-11,473.93-2,458.81

Finding the Fourth Proportional to 7,649.29, 11,473.93 and 2,458.81

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Solution

The fourth proportional to 7,649.29, 11,473.93 and 2,458.81 is: 3,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.29 : 11,473.93 = 2,458.81 : x
  2. Step 2: Convert to fraction form
    7,649.29/11,473.93 = 2,458.81/x
  3. Step 3: Cross multiply
    7,649.29x = 11,473.93 × 2,458.81
  4. Step 4: Simplify right side
    7,649.29x = 28,212,150.31
  5. Step 5: Solve for x
    x = 28,212,150.31/7,649.29
  6. Step 6: Final answer
    x = 3,688.21

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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.