Home / 4,964.79-6,851.08-2,840.06

Finding the Fourth Proportional to 4,964.79, 6,851.08 and 2,840.06

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Solution

The fourth proportional to 4,964.79, 6,851.08 and 2,840.06 is: 3,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,964.79 : 6,851.08 = 2,840.06 : x
  2. Step 2: Convert to fraction form
    4,964.79/6,851.08 = 2,840.06/x
  3. Step 3: Cross multiply
    4,964.79x = 6,851.08 × 2,840.06
  4. Step 4: Simplify right side
    4,964.79x = 19,457,498.94
  5. Step 5: Solve for x
    x = 19,457,498.94/4,964.79
  6. Step 6: Final answer
    x = 3,919.10

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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.