Home / 7,555.79-10,429.22-4,412.72

Finding the Fourth Proportional to 7,555.79, 10,429.22 and 4,412.72

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Solution

The fourth proportional to 7,555.79, 10,429.22 and 4,412.72 is: 6,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.79 : 10,429.22 = 4,412.72 : x
  2. Step 2: Convert to fraction form
    7,555.79/10,429.22 = 4,412.72/x
  3. Step 3: Cross multiply
    7,555.79x = 10,429.22 × 4,412.72
  4. Step 4: Simplify right side
    7,555.79x = 46,021,227.68
  5. Step 5: Solve for x
    x = 46,021,227.68/7,555.79
  6. Step 6: Final answer
    x = 6,090.86

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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.