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Finding the Fourth Proportional to 7,006.79, 10,510.18 and 2,076.05

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Solution

The fourth proportional to 7,006.79, 10,510.18 and 2,076.05 is: 3,114.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.79 : 10,510.18 = 2,076.05 : x
  2. Step 2: Convert to fraction form
    7,006.79/10,510.18 = 2,076.05/x
  3. Step 3: Cross multiply
    7,006.79x = 10,510.18 × 2,076.05
  4. Step 4: Simplify right side
    7,006.79x = 21,819,680.27
  5. Step 5: Solve for x
    x = 21,819,680.27/7,006.79
  6. Step 6: Final answer
    x = 3,114.08

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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.