Home / 6,730.80-10,085.40-4,419.60

Finding the Fourth Proportional to 6,730.80, 10,085.40 and 4,419.60

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Solution

The fourth proportional to 6,730.80, 10,085.40 and 4,419.60 is: 6,622.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,730.80 : 10,085.40 = 4,419.60 : x
  2. Step 2: Convert to fraction form
    6,730.80/10,085.40 = 4,419.60/x
  3. Step 3: Cross multiply
    6,730.80x = 10,085.40 × 4,419.60
  4. Step 4: Simplify right side
    6,730.80x = 44,573,433.84
  5. Step 5: Solve for x
    x = 44,573,433.84/6,730.80
  6. Step 6: Final answer
    x = 6,622.31

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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.