Home / 6,421.70-9,632.55-3,297.35

Finding the Fourth Proportional to 6,421.70, 9,632.55 and 3,297.35

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Solution

The fourth proportional to 6,421.70, 9,632.55 and 3,297.35 is: 4,946.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.70 : 9,632.55 = 3,297.35 : x
  2. Step 2: Convert to fraction form
    6,421.70/9,632.55 = 3,297.35/x
  3. Step 3: Cross multiply
    6,421.70x = 9,632.55 × 3,297.35
  4. Step 4: Simplify right side
    6,421.70x = 31,761,888.74
  5. Step 5: Solve for x
    x = 31,761,888.74/6,421.70
  6. Step 6: Final answer
    x = 4,946.03

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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.