Home / 6,421.96-9,632.85-2,039.35

Finding the Fourth Proportional to 6,421.96, 9,632.85 and 2,039.35

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Solution

The fourth proportional to 6,421.96, 9,632.85 and 2,039.35 is: 3,059.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.96 : 9,632.85 = 2,039.35 : x
  2. Step 2: Convert to fraction form
    6,421.96/9,632.85 = 2,039.35/x
  3. Step 3: Cross multiply
    6,421.96x = 9,632.85 × 2,039.35
  4. Step 4: Simplify right side
    6,421.96x = 19,644,752.65
  5. Step 5: Solve for x
    x = 19,644,752.65/6,421.96
  6. Step 6: Final answer
    x = 3,059.00

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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.