Home / 10,408.47-15,615.01-4,858.79

Finding the Fourth Proportional to 10,408.47, 15,615.01 and 4,858.79

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Solution

The fourth proportional to 10,408.47, 15,615.01 and 4,858.79 is: 7,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.47 : 15,615.01 = 4,858.79 : x
  2. Step 2: Convert to fraction form
    10,408.47/15,615.01 = 4,858.79/x
  3. Step 3: Cross multiply
    10,408.47x = 15,615.01 × 4,858.79
  4. Step 4: Simplify right side
    10,408.47x = 75,869,952.07
  5. Step 5: Solve for x
    x = 75,869,952.07/10,408.47
  6. Step 6: Final answer
    x = 7,289.25

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1.5x scale

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.