Home / 7,621.26-10,515.42-4,476.84

Finding the Fourth Proportional to 7,621.26, 10,515.42 and 4,476.84

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Solution

The fourth proportional to 7,621.26, 10,515.42 and 4,476.84 is: 6,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.26 : 10,515.42 = 4,476.84 : x
  2. Step 2: Convert to fraction form
    7,621.26/10,515.42 = 4,476.84/x
  3. Step 3: Cross multiply
    7,621.26x = 10,515.42 × 4,476.84
  4. Step 4: Simplify right side
    7,621.26x = 47,075,852.87
  5. Step 5: Solve for x
    x = 47,075,852.87/7,621.26
  6. Step 6: Final answer
    x = 6,176.91

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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.