Home / 4,970.10-6,858.75-2,732.20

Finding the Fourth Proportional to 4,970.10, 6,858.75 and 2,732.20

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Solution

The fourth proportional to 4,970.10, 6,858.75 and 2,732.20 is: 3,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.10 : 6,858.75 = 2,732.20 : x
  2. Step 2: Convert to fraction form
    4,970.10/6,858.75 = 2,732.20/x
  3. Step 3: Cross multiply
    4,970.10x = 6,858.75 × 2,732.20
  4. Step 4: Simplify right side
    4,970.10x = 18,739,463.09
  5. Step 5: Solve for x
    x = 18,739,463.09/4,970.10
  6. Step 6: Final answer
    x = 3,770.44

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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.