Home / 7,098.08-10,647.52-2,715.92

Finding the Fourth Proportional to 7,098.08, 10,647.52 and 2,715.92

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Solution

The fourth proportional to 7,098.08, 10,647.52 and 2,715.92 is: 4,074.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.08 : 10,647.52 = 2,715.92 : x
  2. Step 2: Convert to fraction form
    7,098.08/10,647.52 = 2,715.92/x
  3. Step 3: Cross multiply
    7,098.08x = 10,647.52 × 2,715.92
  4. Step 4: Simplify right side
    7,098.08x = 28,917,812.52
  5. Step 5: Solve for x
    x = 28,917,812.52/7,098.08
  6. Step 6: Final answer
    x = 4,074.03

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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.