Home / 6,840.12-10,252.83-4,886.40

Finding the Fourth Proportional to 6,840.12, 10,252.83 and 4,886.40

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Solution

The fourth proportional to 6,840.12, 10,252.83 and 4,886.40 is: 7,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.12 : 10,252.83 = 4,886.40 : x
  2. Step 2: Convert to fraction form
    6,840.12/10,252.83 = 4,886.40/x
  3. Step 3: Cross multiply
    6,840.12x = 10,252.83 × 4,886.40
  4. Step 4: Simplify right side
    6,840.12x = 50,099,428.51
  5. Step 5: Solve for x
    x = 50,099,428.51/6,840.12
  6. Step 6: Final answer
    x = 7,324.35

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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.