Home / 9,440.79-13,024.55-5,664.03

Finding the Fourth Proportional to 9,440.79, 13,024.55 and 5,664.03

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Solution

The fourth proportional to 9,440.79, 13,024.55 and 5,664.03 is: 7,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.79 : 13,024.55 = 5,664.03 : x
  2. Step 2: Convert to fraction form
    9,440.79/13,024.55 = 5,664.03/x
  3. Step 3: Cross multiply
    9,440.79x = 13,024.55 × 5,664.03
  4. Step 4: Simplify right side
    9,440.79x = 73,771,413.62
  5. Step 5: Solve for x
    x = 73,771,413.62/9,440.79
  6. Step 6: Final answer
    x = 7,814.11

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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.