Home / 7,649.42-10,555.73-4,291.61

Finding the Fourth Proportional to 7,649.42, 10,555.73 and 4,291.61

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Solution

The fourth proportional to 7,649.42, 10,555.73 and 4,291.61 is: 5,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.42 : 10,555.73 = 4,291.61 : x
  2. Step 2: Convert to fraction form
    7,649.42/10,555.73 = 4,291.61/x
  3. Step 3: Cross multiply
    7,649.42x = 10,555.73 × 4,291.61
  4. Step 4: Simplify right side
    7,649.42x = 45,301,054.97
  5. Step 5: Solve for x
    x = 45,301,054.97/7,649.42
  6. Step 6: Final answer
    x = 5,922.16

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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.