Home / 6,460.80-8,915.63-3,808.37

Finding the Fourth Proportional to 6,460.80, 8,915.63 and 3,808.37

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Solution

The fourth proportional to 6,460.80, 8,915.63 and 3,808.37 is: 5,255.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460.80 : 8,915.63 = 3,808.37 : x
  2. Step 2: Convert to fraction form
    6,460.80/8,915.63 = 3,808.37/x
  3. Step 3: Cross multiply
    6,460.80x = 8,915.63 × 3,808.37
  4. Step 4: Simplify right side
    6,460.80x = 33,953,954.20
  5. Step 5: Solve for x
    x = 33,953,954.20/6,460.80
  6. Step 6: Final answer
    x = 5,255.38

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1.5x scale

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.