Home / 7,098.30-10,647.72-2,716.20

Finding the Fourth Proportional to 7,098.30, 10,647.72 and 2,716.20

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Solution

The fourth proportional to 7,098.30, 10,647.72 and 2,716.20 is: 4,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.30 : 10,647.72 = 2,716.20 : x
  2. Step 2: Convert to fraction form
    7,098.30/10,647.72 = 2,716.20/x
  3. Step 3: Cross multiply
    7,098.30x = 10,647.72 × 2,716.20
  4. Step 4: Simplify right side
    7,098.30x = 28,921,337.06
  5. Step 5: Solve for x
    x = 28,921,337.06/7,098.30
  6. Step 6: Final answer
    x = 4,074.40

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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.