Home / 5,433.78-7,497.77-3,075.47

Finding the Fourth Proportional to 5,433.78, 7,497.77 and 3,075.47

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Solution

The fourth proportional to 5,433.78, 7,497.77 and 3,075.47 is: 4,243.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.78 : 7,497.77 = 3,075.47 : x
  2. Step 2: Convert to fraction form
    5,433.78/7,497.77 = 3,075.47/x
  3. Step 3: Cross multiply
    5,433.78x = 7,497.77 × 3,075.47
  4. Step 4: Simplify right side
    5,433.78x = 23,059,141.95
  5. Step 5: Solve for x
    x = 23,059,141.95/5,433.78
  6. Step 6: Final answer
    x = 4,243.66

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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.