Home / 7,621.07-10,516.12-4,435.22

Finding the Fourth Proportional to 7,621.07, 10,516.12 and 4,435.22

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Solution

The fourth proportional to 7,621.07, 10,516.12 and 4,435.22 is: 6,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.07 : 10,516.12 = 4,435.22 : x
  2. Step 2: Convert to fraction form
    7,621.07/10,516.12 = 4,435.22/x
  3. Step 3: Cross multiply
    7,621.07x = 10,516.12 × 4,435.22
  4. Step 4: Simplify right side
    7,621.07x = 46,641,320.95
  5. Step 5: Solve for x
    x = 46,641,320.95/7,621.07
  6. Step 6: Final answer
    x = 6,120.05

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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.