Home / 7,098.10-10,646.79-2,715.22

Finding the Fourth Proportional to 7,098.10, 10,646.79 and 2,715.22

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Solution

The fourth proportional to 7,098.10, 10,646.79 and 2,715.22 is: 4,072.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.10 : 10,646.79 = 2,715.22 : x
  2. Step 2: Convert to fraction form
    7,098.10/10,646.79 = 2,715.22/x
  3. Step 3: Cross multiply
    7,098.10x = 10,646.79 × 2,715.22
  4. Step 4: Simplify right side
    7,098.10x = 28,908,377.14
  5. Step 5: Solve for x
    x = 28,908,377.14/7,098.10
  6. Step 6: Final answer
    x = 4,072.69

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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.