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Finding the Fourth Proportional to 5,622.48, 7,759.95 and 5,373.36

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Solution

The fourth proportional to 5,622.48, 7,759.95 and 5,373.36 is: 7,416.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.48 : 7,759.95 = 5,373.36 : x
  2. Step 2: Convert to fraction form
    5,622.48/7,759.95 = 5,373.36/x
  3. Step 3: Cross multiply
    5,622.48x = 7,759.95 × 5,373.36
  4. Step 4: Simplify right side
    5,622.48x = 41,697,004.93
  5. Step 5: Solve for x
    x = 41,697,004.93/5,622.48
  6. Step 6: Final answer
    x = 7,416.12

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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.