Home / 6,421.58-9,628.27-4,756.73

Finding the Fourth Proportional to 6,421.58, 9,628.27 and 4,756.73

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Solution

The fourth proportional to 6,421.58, 9,628.27 and 4,756.73 is: 7,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.58 : 9,628.27 = 4,756.73 : x
  2. Step 2: Convert to fraction form
    6,421.58/9,628.27 = 4,756.73/x
  3. Step 3: Cross multiply
    6,421.58x = 9,628.27 × 4,756.73
  4. Step 4: Simplify right side
    6,421.58x = 45,799,020.72
  5. Step 5: Solve for x
    x = 45,799,020.72/6,421.58
  6. Step 6: Final answer
    x = 7,132.05

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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.