Home / 4,146.90-5,720.87-2,802.08

Finding the Fourth Proportional to 4,146.90, 5,720.87 and 2,802.08

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Solution

The fourth proportional to 4,146.90, 5,720.87 and 2,802.08 is: 3,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.90 : 5,720.87 = 2,802.08 : x
  2. Step 2: Convert to fraction form
    4,146.90/5,720.87 = 2,802.08/x
  3. Step 3: Cross multiply
    4,146.90x = 5,720.87 × 2,802.08
  4. Step 4: Simplify right side
    4,146.90x = 16,030,335.41
  5. Step 5: Solve for x
    x = 16,030,335.41/4,146.90
  6. Step 6: Final answer
    x = 3,865.62

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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.