Home / 4,913.04-7,369.65-1,215.30

Finding the Fourth Proportional to 4,913.04, 7,369.65 and 1,215.30

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Solution

The fourth proportional to 4,913.04, 7,369.65 and 1,215.30 is: 1,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.04 : 7,369.65 = 1,215.30 : x
  2. Step 2: Convert to fraction form
    4,913.04/7,369.65 = 1,215.30/x
  3. Step 3: Cross multiply
    4,913.04x = 7,369.65 × 1,215.30
  4. Step 4: Simplify right side
    4,913.04x = 8,956,335.65
  5. Step 5: Solve for x
    x = 8,956,335.65/4,913.04
  6. Step 6: Final answer
    x = 1,822.97

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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.