Home / 4,785.21-7,175.06-1,860.10

Finding the Fourth Proportional to 4,785.21, 7,175.06 and 1,860.10

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Solution

The fourth proportional to 4,785.21, 7,175.06 and 1,860.10 is: 2,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.21 : 7,175.06 = 1,860.10 : x
  2. Step 2: Convert to fraction form
    4,785.21/7,175.06 = 1,860.10/x
  3. Step 3: Cross multiply
    4,785.21x = 7,175.06 × 1,860.10
  4. Step 4: Simplify right side
    4,785.21x = 13,346,329.11
  5. Step 5: Solve for x
    x = 13,346,329.11/4,785.21
  6. Step 6: Final answer
    x = 2,789.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.