Home / 9,284.36-12,812.45-5,509.42

Finding the Fourth Proportional to 9,284.36, 12,812.45 and 5,509.42

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Solution

The fourth proportional to 9,284.36, 12,812.45 and 5,509.42 is: 7,603.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,284.36 : 12,812.45 = 5,509.42 : x
  2. Step 2: Convert to fraction form
    9,284.36/12,812.45 = 5,509.42/x
  3. Step 3: Cross multiply
    9,284.36x = 12,812.45 × 5,509.42
  4. Step 4: Simplify right side
    9,284.36x = 70,589,108.70
  5. Step 5: Solve for x
    x = 70,589,108.70/9,284.36
  6. Step 6: Final answer
    x = 7,603.02

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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.