Home / 6,810.40-10,204.80-4,340.80

Finding the Fourth Proportional to 6,810.40, 10,204.80 and 4,340.80

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Solution

The fourth proportional to 6,810.40, 10,204.80 and 4,340.80 is: 6,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.40 : 10,204.80 = 4,340.80 : x
  2. Step 2: Convert to fraction form
    6,810.40/10,204.80 = 4,340.80/x
  3. Step 3: Cross multiply
    6,810.40x = 10,204.80 × 4,340.80
  4. Step 4: Simplify right side
    6,810.40x = 44,296,995.84
  5. Step 5: Solve for x
    x = 44,296,995.84/6,810.40
  6. Step 6: Final answer
    x = 6,504.32

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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.