Home / 7,837.45-10,814.81-4,649.60

Finding the Fourth Proportional to 7,837.45, 10,814.81 and 4,649.60

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Solution

The fourth proportional to 7,837.45, 10,814.81 and 4,649.60 is: 6,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.45 : 10,814.81 = 4,649.60 : x
  2. Step 2: Convert to fraction form
    7,837.45/10,814.81 = 4,649.60/x
  3. Step 3: Cross multiply
    7,837.45x = 10,814.81 × 4,649.60
  4. Step 4: Simplify right side
    7,837.45x = 50,284,544.37
  5. Step 5: Solve for x
    x = 50,284,544.37/7,837.45
  6. Step 6: Final answer
    x = 6,415.93

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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.