Home / 7,103.51-10,656.80-2,720.96

Finding the Fourth Proportional to 7,103.51, 10,656.80 and 2,720.96

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Solution

The fourth proportional to 7,103.51, 10,656.80 and 2,720.96 is: 4,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.51 : 10,656.80 = 2,720.96 : x
  2. Step 2: Convert to fraction form
    7,103.51/10,656.80 = 2,720.96/x
  3. Step 3: Cross multiply
    7,103.51x = 10,656.80 × 2,720.96
  4. Step 4: Simplify right side
    7,103.51x = 28,996,712.92
  5. Step 5: Solve for x
    x = 28,996,712.92/7,103.51
  6. Step 6: Final answer
    x = 4,082.03

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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.