Home / 4,220.16-6,329.16-2,903.64

Finding the Fourth Proportional to 4,220.16, 6,329.16 and 2,903.64

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Solution

The fourth proportional to 4,220.16, 6,329.16 and 2,903.64 is: 4,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.16 : 6,329.16 = 2,903.64 : x
  2. Step 2: Convert to fraction form
    4,220.16/6,329.16 = 2,903.64/x
  3. Step 3: Cross multiply
    4,220.16x = 6,329.16 × 2,903.64
  4. Step 4: Simplify right side
    4,220.16x = 18,377,602.14
  5. Step 5: Solve for x
    x = 18,377,602.14/4,220.16
  6. Step 6: Final answer
    x = 4,354.72

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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.