Home / 4,905.80-6,758.56-3,411.12

Finding the Fourth Proportional to 4,905.80, 6,758.56 and 3,411.12

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Solution

The fourth proportional to 4,905.80, 6,758.56 and 3,411.12 is: 4,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.80 : 6,758.56 = 3,411.12 : x
  2. Step 2: Convert to fraction form
    4,905.80/6,758.56 = 3,411.12/x
  3. Step 3: Cross multiply
    4,905.80x = 6,758.56 × 3,411.12
  4. Step 4: Simplify right side
    4,905.80x = 23,054,259.19
  5. Step 5: Solve for x
    x = 23,054,259.19/4,905.80
  6. Step 6: Final answer
    x = 4,699.39

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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.