Home / 6,113.45-8,436.75-3,460.80

Finding the Fourth Proportional to 6,113.45, 8,436.75 and 3,460.80

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Solution

The fourth proportional to 6,113.45, 8,436.75 and 3,460.80 is: 4,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.45 : 8,436.75 = 3,460.80 : x
  2. Step 2: Convert to fraction form
    6,113.45/8,436.75 = 3,460.80/x
  3. Step 3: Cross multiply
    6,113.45x = 8,436.75 × 3,460.80
  4. Step 4: Simplify right side
    6,113.45x = 29,197,904.40
  5. Step 5: Solve for x
    x = 29,197,904.40/6,113.45
  6. Step 6: Final answer
    x = 4,776.01

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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.