Home / 6,421.69-9,632.45-2,039.18

Finding the Fourth Proportional to 6,421.69, 9,632.45 and 2,039.18

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Solution

The fourth proportional to 6,421.69, 9,632.45 and 2,039.18 is: 3,058.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.69 : 9,632.45 = 2,039.18 : x
  2. Step 2: Convert to fraction form
    6,421.69/9,632.45 = 2,039.18/x
  3. Step 3: Cross multiply
    6,421.69x = 9,632.45 × 2,039.18
  4. Step 4: Simplify right side
    6,421.69x = 19,642,299.39
  5. Step 5: Solve for x
    x = 19,642,299.39/6,421.69
  6. Step 6: Final answer
    x = 3,058.74

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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.