Home / 5,154.10-7,113.90-3,030.10

Finding the Fourth Proportional to 5,154.10, 7,113.90 and 3,030.10

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Solution

The fourth proportional to 5,154.10, 7,113.90 and 3,030.10 is: 4,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.10 : 7,113.90 = 3,030.10 : x
  2. Step 2: Convert to fraction form
    5,154.10/7,113.90 = 3,030.10/x
  3. Step 3: Cross multiply
    5,154.10x = 7,113.90 × 3,030.10
  4. Step 4: Simplify right side
    5,154.10x = 21,555,828.39
  5. Step 5: Solve for x
    x = 21,555,828.39/5,154.10
  6. Step 6: Final answer
    x = 4,182.27

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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.