Home / 4,870.26-6,720.90-2,774.37

Finding the Fourth Proportional to 4,870.26, 6,720.90 and 2,774.37

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Solution

The fourth proportional to 4,870.26, 6,720.90 and 2,774.37 is: 3,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.26 : 6,720.90 = 2,774.37 : x
  2. Step 2: Convert to fraction form
    4,870.26/6,720.90 = 2,774.37/x
  3. Step 3: Cross multiply
    4,870.26x = 6,720.90 × 2,774.37
  4. Step 4: Simplify right side
    4,870.26x = 18,646,263.33
  5. Step 5: Solve for x
    x = 18,646,263.33/4,870.26
  6. Step 6: Final answer
    x = 3,828.60

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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.