Home / 7,006.16-10,509.52-1,812.04

Finding the Fourth Proportional to 7,006.16, 10,509.52 and 1,812.04

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Solution

The fourth proportional to 7,006.16, 10,509.52 and 1,812.04 is: 2,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.16 : 10,509.52 = 1,812.04 : x
  2. Step 2: Convert to fraction form
    7,006.16/10,509.52 = 1,812.04/x
  3. Step 3: Cross multiply
    7,006.16x = 10,509.52 × 1,812.04
  4. Step 4: Simplify right side
    7,006.16x = 19,043,670.62
  5. Step 5: Solve for x
    x = 19,043,670.62/7,006.16
  6. Step 6: Final answer
    x = 2,718.13

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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.