Home / 4,638.12-6,955.35-1,864.05

Finding the Fourth Proportional to 4,638.12, 6,955.35 and 1,864.05

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Solution

The fourth proportional to 4,638.12, 6,955.35 and 1,864.05 is: 2,795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.12 : 6,955.35 = 1,864.05 : x
  2. Step 2: Convert to fraction form
    4,638.12/6,955.35 = 1,864.05/x
  3. Step 3: Cross multiply
    4,638.12x = 6,955.35 × 1,864.05
  4. Step 4: Simplify right side
    4,638.12x = 12,965,120.17
  5. Step 5: Solve for x
    x = 12,965,120.17/4,638.12
  6. Step 6: Final answer
    x = 2,795.34

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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.