Home / 4,719.16-7,078.69-1,256.41

Finding the Fourth Proportional to 4,719.16, 7,078.69 and 1,256.41

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Solution

The fourth proportional to 4,719.16, 7,078.69 and 1,256.41 is: 1,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.16 : 7,078.69 = 1,256.41 : x
  2. Step 2: Convert to fraction form
    4,719.16/7,078.69 = 1,256.41/x
  3. Step 3: Cross multiply
    4,719.16x = 7,078.69 × 1,256.41
  4. Step 4: Simplify right side
    4,719.16x = 8,893,720.78
  5. Step 5: Solve for x
    x = 8,893,720.78/4,719.16
  6. Step 6: Final answer
    x = 1,884.60

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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.