Home / 4,885.61-7,328.75-2,419.76

Finding the Fourth Proportional to 4,885.61, 7,328.75 and 2,419.76

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Solution

The fourth proportional to 4,885.61, 7,328.75 and 2,419.76 is: 3,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.61 : 7,328.75 = 2,419.76 : x
  2. Step 2: Convert to fraction form
    4,885.61/7,328.75 = 2,419.76/x
  3. Step 3: Cross multiply
    4,885.61x = 7,328.75 × 2,419.76
  4. Step 4: Simplify right side
    4,885.61x = 17,733,816.10
  5. Step 5: Solve for x
    x = 17,733,816.10/4,885.61
  6. Step 6: Final answer
    x = 3,629.81

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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.