Home / 7,649.09-10,555.67-4,291.83

Finding the Fourth Proportional to 7,649.09, 10,555.67 and 4,291.83

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Solution

The fourth proportional to 7,649.09, 10,555.67 and 4,291.83 is: 5,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.09 : 10,555.67 = 4,291.83 : x
  2. Step 2: Convert to fraction form
    7,649.09/10,555.67 = 4,291.83/x
  3. Step 3: Cross multiply
    7,649.09x = 10,555.67 × 4,291.83
  4. Step 4: Simplify right side
    7,649.09x = 45,303,141.18
  5. Step 5: Solve for x
    x = 45,303,141.18/7,649.09
  6. Step 6: Final answer
    x = 5,922.69

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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.