Home / 5,101.14-7,649.40-1,814.32

Finding the Fourth Proportional to 5,101.14, 7,649.40 and 1,814.32

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Solution

The fourth proportional to 5,101.14, 7,649.40 and 1,814.32 is: 2,720.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.14 : 7,649.40 = 1,814.32 : x
  2. Step 2: Convert to fraction form
    5,101.14/7,649.40 = 1,814.32/x
  3. Step 3: Cross multiply
    5,101.14x = 7,649.40 × 1,814.32
  4. Step 4: Simplify right side
    5,101.14x = 13,878,459.41
  5. Step 5: Solve for x
    x = 13,878,459.41/5,101.14
  6. Step 6: Final answer
    x = 2,720.66

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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.