Home / 7,306.77-10,075.41-4,650.78

Finding the Fourth Proportional to 7,306.77, 10,075.41 and 4,650.78

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Solution

The fourth proportional to 7,306.77, 10,075.41 and 4,650.78 is: 6,413.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,306.77 : 10,075.41 = 4,650.78 : x
  2. Step 2: Convert to fraction form
    7,306.77/10,075.41 = 4,650.78/x
  3. Step 3: Cross multiply
    7,306.77x = 10,075.41 × 4,650.78
  4. Step 4: Simplify right side
    7,306.77x = 46,858,515.32
  5. Step 5: Solve for x
    x = 46,858,515.32/7,306.77
  6. Step 6: Final answer
    x = 6,413.03

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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.