Home / 4,851.10-6,690.45-2,984.86

Finding the Fourth Proportional to 4,851.10, 6,690.45 and 2,984.86

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Solution

The fourth proportional to 4,851.10, 6,690.45 and 2,984.86 is: 4,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.10 : 6,690.45 = 2,984.86 : x
  2. Step 2: Convert to fraction form
    4,851.10/6,690.45 = 2,984.86/x
  3. Step 3: Cross multiply
    4,851.10x = 6,690.45 × 2,984.86
  4. Step 4: Simplify right side
    4,851.10x = 19,970,039.86
  5. Step 5: Solve for x
    x = 19,970,039.86/4,851.10
  6. Step 6: Final answer
    x = 4,116.60

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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.