Home / 6,290.05-9,435.09-2,130.10

Finding the Fourth Proportional to 6,290.05, 9,435.09 and 2,130.10

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Solution

The fourth proportional to 6,290.05, 9,435.09 and 2,130.10 is: 3,195.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.05 : 9,435.09 = 2,130.10 : x
  2. Step 2: Convert to fraction form
    6,290.05/9,435.09 = 2,130.10/x
  3. Step 3: Cross multiply
    6,290.05x = 9,435.09 × 2,130.10
  4. Step 4: Simplify right side
    6,290.05x = 20,097,685.21
  5. Step 5: Solve for x
    x = 20,097,685.21/6,290.05
  6. Step 6: Final answer
    x = 3,195.16

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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.