Home / 6,421.58-9,637.84-2,528.72

Finding the Fourth Proportional to 6,421.58, 9,637.84 and 2,528.72

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Solution

The fourth proportional to 6,421.58, 9,637.84 and 2,528.72 is: 3,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.58 : 9,637.84 = 2,528.72 : x
  2. Step 2: Convert to fraction form
    6,421.58/9,637.84 = 2,528.72/x
  3. Step 3: Cross multiply
    6,421.58x = 9,637.84 × 2,528.72
  4. Step 4: Simplify right side
    6,421.58x = 24,371,375.65
  5. Step 5: Solve for x
    x = 24,371,375.65/6,421.58
  6. Step 6: Final answer
    x = 3,795.23

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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.