Home / 6,391.13-9,587.23-1,774.13

Finding the Fourth Proportional to 6,391.13, 9,587.23 and 1,774.13

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Solution

The fourth proportional to 6,391.13, 9,587.23 and 1,774.13 is: 2,661.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.13 : 9,587.23 = 1,774.13 : x
  2. Step 2: Convert to fraction form
    6,391.13/9,587.23 = 1,774.13/x
  3. Step 3: Cross multiply
    6,391.13x = 9,587.23 × 1,774.13
  4. Step 4: Simplify right side
    6,391.13x = 17,008,939.99
  5. Step 5: Solve for x
    x = 17,008,939.99/6,391.13
  6. Step 6: Final answer
    x = 2,661.34

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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.