Home / 7,430.25-11,146.55-3,533.34

Finding the Fourth Proportional to 7,430.25, 11,146.55 and 3,533.34

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Solution

The fourth proportional to 7,430.25, 11,146.55 and 3,533.34 is: 5,300.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.25 : 11,146.55 = 3,533.34 : x
  2. Step 2: Convert to fraction form
    7,430.25/11,146.55 = 3,533.34/x
  3. Step 3: Cross multiply
    7,430.25x = 11,146.55 × 3,533.34
  4. Step 4: Simplify right side
    7,430.25x = 39,384,533.31
  5. Step 5: Solve for x
    x = 39,384,533.31/7,430.25
  6. Step 6: Final answer
    x = 5,300.57

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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.