Home / 6,380.32-9,570.43-2,220.32

Finding the Fourth Proportional to 6,380.32, 9,570.43 and 2,220.32

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Solution

The fourth proportional to 6,380.32, 9,570.43 and 2,220.32 is: 3,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.32 : 9,570.43 = 2,220.32 : x
  2. Step 2: Convert to fraction form
    6,380.32/9,570.43 = 2,220.32/x
  3. Step 3: Cross multiply
    6,380.32x = 9,570.43 × 2,220.32
  4. Step 4: Simplify right side
    6,380.32x = 21,249,417.14
  5. Step 5: Solve for x
    x = 21,249,417.14/6,380.32
  6. Step 6: Final answer
    x = 3,330.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.