Home / 4,318.34-6,480.72-3,210.30

Finding the Fourth Proportional to 4,318.34, 6,480.72 and 3,210.30

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Solution

The fourth proportional to 4,318.34, 6,480.72 and 3,210.30 is: 4,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.34 : 6,480.72 = 3,210.30 : x
  2. Step 2: Convert to fraction form
    4,318.34/6,480.72 = 3,210.30/x
  3. Step 3: Cross multiply
    4,318.34x = 6,480.72 × 3,210.30
  4. Step 4: Simplify right side
    4,318.34x = 20,805,055.42
  5. Step 5: Solve for x
    x = 20,805,055.42/4,318.34
  6. Step 6: Final answer
    x = 4,817.84

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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.