Home / 5,030.60-7,548.60-2,109.20

Finding the Fourth Proportional to 5,030.60, 7,548.60 and 2,109.20

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Solution

The fourth proportional to 5,030.60, 7,548.60 and 2,109.20 is: 3,164.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.60 : 7,548.60 = 2,109.20 : x
  2. Step 2: Convert to fraction form
    5,030.60/7,548.60 = 2,109.20/x
  3. Step 3: Cross multiply
    5,030.60x = 7,548.60 × 2,109.20
  4. Step 4: Simplify right side
    5,030.60x = 15,921,507.12
  5. Step 5: Solve for x
    x = 15,921,507.12/5,030.60
  6. Step 6: Final answer
    x = 3,164.93

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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.