Home / 7,017.41-9,687.20-4,628.80

Finding the Fourth Proportional to 7,017.41, 9,687.20 and 4,628.80

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Solution

The fourth proportional to 7,017.41, 9,687.20 and 4,628.80 is: 6,389.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.41 : 9,687.20 = 4,628.80 : x
  2. Step 2: Convert to fraction form
    7,017.41/9,687.20 = 4,628.80/x
  3. Step 3: Cross multiply
    7,017.41x = 9,687.20 × 4,628.80
  4. Step 4: Simplify right side
    7,017.41x = 44,840,100.32
  5. Step 5: Solve for x
    x = 44,840,100.32/7,017.41
  6. Step 6: Final answer
    x = 6,389.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.