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Finding the Fourth Proportional to 7,008.34, 10,512.72 and 1,814.23

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Solution

The fourth proportional to 7,008.34, 10,512.72 and 1,814.23 is: 2,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.34 : 10,512.72 = 1,814.23 : x
  2. Step 2: Convert to fraction form
    7,008.34/10,512.72 = 1,814.23/x
  3. Step 3: Cross multiply
    7,008.34x = 10,512.72 × 1,814.23
  4. Step 4: Simplify right side
    7,008.34x = 19,072,492.01
  5. Step 5: Solve for x
    x = 19,072,492.01/7,008.34
  6. Step 6: Final answer
    x = 2,721.40

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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.