Home / 4,627.10-6,940.45-1,340.12

Finding the Fourth Proportional to 4,627.10, 6,940.45 and 1,340.12

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Solution

The fourth proportional to 4,627.10, 6,940.45 and 1,340.12 is: 2,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.10 : 6,940.45 = 1,340.12 : x
  2. Step 2: Convert to fraction form
    4,627.10/6,940.45 = 1,340.12/x
  3. Step 3: Cross multiply
    4,627.10x = 6,940.45 × 1,340.12
  4. Step 4: Simplify right side
    4,627.10x = 9,301,054.88
  5. Step 5: Solve for x
    x = 9,301,054.88/4,627.10
  6. Step 6: Final answer
    x = 2,010.13

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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.