Home / 4,870.23-6,720.51-2,745.64

Finding the Fourth Proportional to 4,870.23, 6,720.51 and 2,745.64

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Solution

The fourth proportional to 4,870.23, 6,720.51 and 2,745.64 is: 3,788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.23 : 6,720.51 = 2,745.64 : x
  2. Step 2: Convert to fraction form
    4,870.23/6,720.51 = 2,745.64/x
  3. Step 3: Cross multiply
    4,870.23x = 6,720.51 × 2,745.64
  4. Step 4: Simplify right side
    4,870.23x = 18,452,101.08
  5. Step 5: Solve for x
    x = 18,452,101.08/4,870.23
  6. Step 6: Final answer
    x = 3,788.75

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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.