Home / 6,427.54-9,630.29-4,315.21

Finding the Fourth Proportional to 6,427.54, 9,630.29 and 4,315.21

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Solution

The fourth proportional to 6,427.54, 9,630.29 and 4,315.21 is: 6,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.54 : 9,630.29 = 4,315.21 : x
  2. Step 2: Convert to fraction form
    6,427.54/9,630.29 = 4,315.21/x
  3. Step 3: Cross multiply
    6,427.54x = 9,630.29 × 4,315.21
  4. Step 4: Simplify right side
    6,427.54x = 41,556,653.98
  5. Step 5: Solve for x
    x = 41,556,653.98/6,427.54
  6. Step 6: Final answer
    x = 6,465.41

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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.