Home / 4,707.84-6,491.40-3,216.62

Finding the Fourth Proportional to 4,707.84, 6,491.40 and 3,216.62

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Solution

The fourth proportional to 4,707.84, 6,491.40 and 3,216.62 is: 4,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.84 : 6,491.40 = 3,216.62 : x
  2. Step 2: Convert to fraction form
    4,707.84/6,491.40 = 3,216.62/x
  3. Step 3: Cross multiply
    4,707.84x = 6,491.40 × 3,216.62
  4. Step 4: Simplify right side
    4,707.84x = 20,880,367.07
  5. Step 5: Solve for x
    x = 20,880,367.07/4,707.84
  6. Step 6: Final answer
    x = 4,435.23

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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.