Home / 4,477.40-6,708.48-2,915.02

Finding the Fourth Proportional to 4,477.40, 6,708.48 and 2,915.02

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Solution

The fourth proportional to 4,477.40, 6,708.48 and 2,915.02 is: 4,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.40 : 6,708.48 = 2,915.02 : x
  2. Step 2: Convert to fraction form
    4,477.40/6,708.48 = 2,915.02/x
  3. Step 3: Cross multiply
    4,477.40x = 6,708.48 × 2,915.02
  4. Step 4: Simplify right side
    4,477.40x = 19,555,353.37
  5. Step 5: Solve for x
    x = 19,555,353.37/4,477.40
  6. Step 6: Final answer
    x = 4,367.57

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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.