Home / 10,649.07-15,973.61-2,858.49

Finding the Fourth Proportional to 10,649.07, 15,973.61 and 2,858.49

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Solution

The fourth proportional to 10,649.07, 15,973.61 and 2,858.49 is: 4,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.07 : 15,973.61 = 2,858.49 : x
  2. Step 2: Convert to fraction form
    10,649.07/15,973.61 = 2,858.49/x
  3. Step 3: Cross multiply
    10,649.07x = 15,973.61 × 2,858.49
  4. Step 4: Simplify right side
    10,649.07x = 45,660,390.16
  5. Step 5: Solve for x
    x = 45,660,390.16/10,649.07
  6. Step 6: Final answer
    x = 4,287.74

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Similar ratio
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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.