Home / 4,627.91-6,386.74-2,740.57

Finding the Fourth Proportional to 4,627.91, 6,386.74 and 2,740.57

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Solution

The fourth proportional to 4,627.91, 6,386.74 and 2,740.57 is: 3,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.91 : 6,386.74 = 2,740.57 : x
  2. Step 2: Convert to fraction form
    4,627.91/6,386.74 = 2,740.57/x
  3. Step 3: Cross multiply
    4,627.91x = 6,386.74 × 2,740.57
  4. Step 4: Simplify right side
    4,627.91x = 17,503,308.04
  5. Step 5: Solve for x
    x = 17,503,308.04/4,627.91
  6. Step 6: Final answer
    x = 3,782.12

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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.