Home / 10,649.32-15,974.94-2,858.08

Finding the Fourth Proportional to 10,649.32, 15,974.94 and 2,858.08

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Solution

The fourth proportional to 10,649.32, 15,974.94 and 2,858.08 is: 4,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.32 : 15,974.94 = 2,858.08 : x
  2. Step 2: Convert to fraction form
    10,649.32/15,974.94 = 2,858.08/x
  3. Step 3: Cross multiply
    10,649.32x = 15,974.94 × 2,858.08
  4. Step 4: Simplify right side
    10,649.32x = 45,657,656.52
  5. Step 5: Solve for x
    x = 45,657,656.52/10,649.32
  6. Step 6: Final answer
    x = 4,287.38

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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.