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Finding the Fourth Proportional to 7,100.03, 9,797.98 and 3,913.45

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Solution

The fourth proportional to 7,100.03, 9,797.98 and 3,913.45 is: 5,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.03 : 9,797.98 = 3,913.45 : x
  2. Step 2: Convert to fraction form
    7,100.03/9,797.98 = 3,913.45/x
  3. Step 3: Cross multiply
    7,100.03x = 9,797.98 × 3,913.45
  4. Step 4: Simplify right side
    7,100.03x = 38,343,933.00
  5. Step 5: Solve for x
    x = 38,343,933.00/7,100.03
  6. Step 6: Final answer
    x = 5,400.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.