Home / 7,259.49-10,015.20-4,740.75

Finding the Fourth Proportional to 7,259.49, 10,015.20 and 4,740.75

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Solution

The fourth proportional to 7,259.49, 10,015.20 and 4,740.75 is: 6,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.49 : 10,015.20 = 4,740.75 : x
  2. Step 2: Convert to fraction form
    7,259.49/10,015.20 = 4,740.75/x
  3. Step 3: Cross multiply
    7,259.49x = 10,015.20 × 4,740.75
  4. Step 4: Simplify right side
    7,259.49x = 47,479,559.40
  5. Step 5: Solve for x
    x = 47,479,559.40/7,259.49
  6. Step 6: Final answer
    x = 6,540.34

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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.