Home / 4,970.09-6,858.74-2,732.20

Finding the Fourth Proportional to 4,970.09, 6,858.74 and 2,732.20

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Solution

The fourth proportional to 4,970.09, 6,858.74 and 2,732.20 is: 3,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.09 : 6,858.74 = 2,732.20 : x
  2. Step 2: Convert to fraction form
    4,970.09/6,858.74 = 2,732.20/x
  3. Step 3: Cross multiply
    4,970.09x = 6,858.74 × 2,732.20
  4. Step 4: Simplify right side
    4,970.09x = 18,739,439.11
  5. Step 5: Solve for x
    x = 18,739,439.11/4,970.09
  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.