Home / 7,455.48-10,290.62-4,270.56

Finding the Fourth Proportional to 7,455.48, 10,290.62 and 4,270.56

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Solution

The fourth proportional to 7,455.48, 10,290.62 and 4,270.56 is: 5,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.48 : 10,290.62 = 4,270.56 : x
  2. Step 2: Convert to fraction form
    7,455.48/10,290.62 = 4,270.56/x
  3. Step 3: Cross multiply
    7,455.48x = 10,290.62 × 4,270.56
  4. Step 4: Simplify right side
    7,455.48x = 43,946,710.15
  5. Step 5: Solve for x
    x = 43,946,710.15/7,455.48
  6. Step 6: Final answer
    x = 5,894.55

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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.