Home / 7,006.33-10,509.54-1,812.16

Finding the Fourth Proportional to 7,006.33, 10,509.54 and 1,812.16

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Solution

The fourth proportional to 7,006.33, 10,509.54 and 1,812.16 is: 2,718.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.33 : 10,509.54 = 1,812.16 : x
  2. Step 2: Convert to fraction form
    7,006.33/10,509.54 = 1,812.16/x
  3. Step 3: Cross multiply
    7,006.33x = 10,509.54 × 1,812.16
  4. Step 4: Simplify right side
    7,006.33x = 19,044,968.01
  5. Step 5: Solve for x
    x = 19,044,968.01/7,006.33
  6. Step 6: Final answer
    x = 2,718.25

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1.5x scale

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.