Home / 6,090.76-9,135.38-1,930.81

Finding the Fourth Proportional to 6,090.76, 9,135.38 and 1,930.81

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Solution

The fourth proportional to 6,090.76, 9,135.38 and 1,930.81 is: 2,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.76 : 9,135.38 = 1,930.81 : x
  2. Step 2: Convert to fraction form
    6,090.76/9,135.38 = 1,930.81/x
  3. Step 3: Cross multiply
    6,090.76x = 9,135.38 × 1,930.81
  4. Step 4: Simplify right side
    6,090.76x = 17,638,702.07
  5. Step 5: Solve for x
    x = 17,638,702.07/6,090.76
  6. Step 6: Final answer
    x = 2,895.98

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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.