Home / 7,103.48-10,656.88-2,173.12

Finding the Fourth Proportional to 7,103.48, 10,656.88 and 2,173.12

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Solution

The fourth proportional to 7,103.48, 10,656.88 and 2,173.12 is: 3,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.48 : 10,656.88 = 2,173.12 : x
  2. Step 2: Convert to fraction form
    7,103.48/10,656.88 = 2,173.12/x
  3. Step 3: Cross multiply
    7,103.48x = 10,656.88 × 2,173.12
  4. Step 4: Simplify right side
    7,103.48x = 23,158,679.07
  5. Step 5: Solve for x
    x = 23,158,679.07/7,103.48
  6. Step 6: Final answer
    x = 3,260.19

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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.