Home / 7,128.04-10,693.66-2,511.08

Finding the Fourth Proportional to 7,128.04, 10,693.66 and 2,511.08

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Solution

The fourth proportional to 7,128.04, 10,693.66 and 2,511.08 is: 3,767.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128.04 : 10,693.66 = 2,511.08 : x
  2. Step 2: Convert to fraction form
    7,128.04/10,693.66 = 2,511.08/x
  3. Step 3: Cross multiply
    7,128.04x = 10,693.66 × 2,511.08
  4. Step 4: Simplify right side
    7,128.04x = 26,852,635.75
  5. Step 5: Solve for x
    x = 26,852,635.75/7,128.04
  6. Step 6: Final answer
    x = 3,767.18

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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.