Home / 5,514.89-7,607.12-3,419.01

Finding the Fourth Proportional to 5,514.89, 7,607.12 and 3,419.01

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Solution

The fourth proportional to 5,514.89, 7,607.12 and 3,419.01 is: 4,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.89 : 7,607.12 = 3,419.01 : x
  2. Step 2: Convert to fraction form
    5,514.89/7,607.12 = 3,419.01/x
  3. Step 3: Cross multiply
    5,514.89x = 7,607.12 × 3,419.01
  4. Step 4: Simplify right side
    5,514.89x = 26,008,802.26
  5. Step 5: Solve for x
    x = 26,008,802.26/5,514.89
  6. Step 6: Final answer
    x = 4,716.11

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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.