Home / 4,719.21-6,510.81-3,305.15

Finding the Fourth Proportional to 4,719.21, 6,510.81 and 3,305.15

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Solution

The fourth proportional to 4,719.21, 6,510.81 and 3,305.15 is: 4,559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.21 : 6,510.81 = 3,305.15 : x
  2. Step 2: Convert to fraction form
    4,719.21/6,510.81 = 3,305.15/x
  3. Step 3: Cross multiply
    4,719.21x = 6,510.81 × 3,305.15
  4. Step 4: Simplify right side
    4,719.21x = 21,519,203.67
  5. Step 5: Solve for x
    x = 21,519,203.67/4,719.21
  6. Step 6: Final answer
    x = 4,559.92

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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.