Home / 6,403.42-9,605.13-2,021.32

Finding the Fourth Proportional to 6,403.42, 9,605.13 and 2,021.32

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Solution

The fourth proportional to 6,403.42, 9,605.13 and 2,021.32 is: 3,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.42 : 9,605.13 = 2,021.32 : x
  2. Step 2: Convert to fraction form
    6,403.42/9,605.13 = 2,021.32/x
  3. Step 3: Cross multiply
    6,403.42x = 9,605.13 × 2,021.32
  4. Step 4: Simplify right side
    6,403.42x = 19,415,041.37
  5. Step 5: Solve for x
    x = 19,415,041.37/6,403.42
  6. Step 6: Final answer
    x = 3,031.98

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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.