Home / 5,154.48-7,112.75-3,030.08

Finding the Fourth Proportional to 5,154.48, 7,112.75 and 3,030.08

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Solution

The fourth proportional to 5,154.48, 7,112.75 and 3,030.08 is: 4,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.48 : 7,112.75 = 3,030.08 : x
  2. Step 2: Convert to fraction form
    5,154.48/7,112.75 = 3,030.08/x
  3. Step 3: Cross multiply
    5,154.48x = 7,112.75 × 3,030.08
  4. Step 4: Simplify right side
    5,154.48x = 21,552,209.10
  5. Step 5: Solve for x
    x = 21,552,209.10/5,154.48
  6. Step 6: Final answer
    x = 4,181.26

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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.