Home / 7,404.72-10,220.80-4,263.04

Finding the Fourth Proportional to 7,404.72, 10,220.80 and 4,263.04

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Solution

The fourth proportional to 7,404.72, 10,220.80 and 4,263.04 is: 5,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.72 : 10,220.80 = 4,263.04 : x
  2. Step 2: Convert to fraction form
    7,404.72/10,220.80 = 4,263.04/x
  3. Step 3: Cross multiply
    7,404.72x = 10,220.80 × 4,263.04
  4. Step 4: Simplify right side
    7,404.72x = 43,571,679.23
  5. Step 5: Solve for x
    x = 43,571,679.23/7,404.72
  6. Step 6: Final answer
    x = 5,884.31

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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.