Home / 6,290.66-9,435.45-2,130.58

Finding the Fourth Proportional to 6,290.66, 9,435.45 and 2,130.58

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Solution

The fourth proportional to 6,290.66, 9,435.45 and 2,130.58 is: 3,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.66 : 9,435.45 = 2,130.58 : x
  2. Step 2: Convert to fraction form
    6,290.66/9,435.45 = 2,130.58/x
  3. Step 3: Cross multiply
    6,290.66x = 9,435.45 × 2,130.58
  4. Step 4: Simplify right side
    6,290.66x = 20,102,981.06
  5. Step 5: Solve for x
    x = 20,102,981.06/6,290.66
  6. Step 6: Final answer
    x = 3,195.69

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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.