Home / 7,785.30-10,744.34-4,429.14

Finding the Fourth Proportional to 7,785.30, 10,744.34 and 4,429.14

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Solution

The fourth proportional to 7,785.30, 10,744.34 and 4,429.14 is: 6,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.30 : 10,744.34 = 4,429.14 : x
  2. Step 2: Convert to fraction form
    7,785.30/10,744.34 = 4,429.14/x
  3. Step 3: Cross multiply
    7,785.30x = 10,744.34 × 4,429.14
  4. Step 4: Simplify right side
    7,785.30x = 47,588,186.07
  5. Step 5: Solve for x
    x = 47,588,186.07/7,785.30
  6. Step 6: Final answer
    x = 6,112.57

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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.