Home / 4,328.07-6,491.40-1,207.74

Finding the Fourth Proportional to 4,328.07, 6,491.40 and 1,207.74

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Solution

The fourth proportional to 4,328.07, 6,491.40 and 1,207.74 is: 1,811.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.07 : 6,491.40 = 1,207.74 : x
  2. Step 2: Convert to fraction form
    4,328.07/6,491.40 = 1,207.74/x
  3. Step 3: Cross multiply
    4,328.07x = 6,491.40 × 1,207.74
  4. Step 4: Simplify right side
    4,328.07x = 7,839,923.44
  5. Step 5: Solve for x
    x = 7,839,923.44/4,328.07
  6. Step 6: Final answer
    x = 1,811.41

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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.