Home / 7,113.72-10,666.26-2,735.16

Finding the Fourth Proportional to 7,113.72, 10,666.26 and 2,735.16

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Solution

The fourth proportional to 7,113.72, 10,666.26 and 2,735.16 is: 4,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.72 : 10,666.26 = 2,735.16 : x
  2. Step 2: Convert to fraction form
    7,113.72/10,666.26 = 2,735.16/x
  3. Step 3: Cross multiply
    7,113.72x = 10,666.26 × 2,735.16
  4. Step 4: Simplify right side
    7,113.72x = 29,173,927.70
  5. Step 5: Solve for x
    x = 29,173,927.70/7,113.72
  6. Step 6: Final answer
    x = 4,101.08

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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.