Home / 7,622.28-10,518.66-4,435.74

Finding the Fourth Proportional to 7,622.28, 10,518.66 and 4,435.74

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Solution

The fourth proportional to 7,622.28, 10,518.66 and 4,435.74 is: 6,121.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.28 : 10,518.66 = 4,435.74 : x
  2. Step 2: Convert to fraction form
    7,622.28/10,518.66 = 4,435.74/x
  3. Step 3: Cross multiply
    7,622.28x = 10,518.66 × 4,435.74
  4. Step 4: Simplify right side
    7,622.28x = 46,658,040.91
  5. Step 5: Solve for x
    x = 46,658,040.91/7,622.28
  6. Step 6: Final answer
    x = 6,121.27

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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.