Home / 4,628.65-6,942.91-1,118.63

Finding the Fourth Proportional to 4,628.65, 6,942.91 and 1,118.63

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Solution

The fourth proportional to 4,628.65, 6,942.91 and 1,118.63 is: 1,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.65 : 6,942.91 = 1,118.63 : x
  2. Step 2: Convert to fraction form
    4,628.65/6,942.91 = 1,118.63/x
  3. Step 3: Cross multiply
    4,628.65x = 6,942.91 × 1,118.63
  4. Step 4: Simplify right side
    4,628.65x = 7,766,547.41
  5. Step 5: Solve for x
    x = 7,766,547.41/4,628.65
  6. Step 6: Final answer
    x = 1,677.93

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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.