Home / 7,746.64-11,619.88-2,816.26

Finding the Fourth Proportional to 7,746.64, 11,619.88 and 2,816.26

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Solution

The fourth proportional to 7,746.64, 11,619.88 and 2,816.26 is: 4,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.64 : 11,619.88 = 2,816.26 : x
  2. Step 2: Convert to fraction form
    7,746.64/11,619.88 = 2,816.26/x
  3. Step 3: Cross multiply
    7,746.64x = 11,619.88 × 2,816.26
  4. Step 4: Simplify right side
    7,746.64x = 32,724,603.25
  5. Step 5: Solve for x
    x = 32,724,603.25/7,746.64
  6. Step 6: Final answer
    x = 4,224.36

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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.