Home / 4,620.08-6,930.12-4,270.16

Finding the Fourth Proportional to 4,620.08, 6,930.12 and 4,270.16

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Solution

The fourth proportional to 4,620.08, 6,930.12 and 4,270.16 is: 6,405.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.08 : 6,930.12 = 4,270.16 : x
  2. Step 2: Convert to fraction form
    4,620.08/6,930.12 = 4,270.16/x
  3. Step 3: Cross multiply
    4,620.08x = 6,930.12 × 4,270.16
  4. Step 4: Simplify right side
    4,620.08x = 29,592,721.22
  5. Step 5: Solve for x
    x = 29,592,721.22/4,620.08
  6. Step 6: Final answer
    x = 6,405.24

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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.