Home / 7,647.30-10,553.70-4,291.19

Finding the Fourth Proportional to 7,647.30, 10,553.70 and 4,291.19

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Solution

The fourth proportional to 7,647.30, 10,553.70 and 4,291.19 is: 5,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.30 : 10,553.70 = 4,291.19 : x
  2. Step 2: Convert to fraction form
    7,647.30/10,553.70 = 4,291.19/x
  3. Step 3: Cross multiply
    7,647.30x = 10,553.70 × 4,291.19
  4. Step 4: Simplify right side
    7,647.30x = 45,287,879.13
  5. Step 5: Solve for x
    x = 45,287,879.13/7,647.30
  6. Step 6: Final answer
    x = 5,922.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.