Home / 7,434.36-10,256.49-4,289.94

Finding the Fourth Proportional to 7,434.36, 10,256.49 and 4,289.94

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Solution

The fourth proportional to 7,434.36, 10,256.49 and 4,289.94 is: 5,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.36 : 10,256.49 = 4,289.94 : x
  2. Step 2: Convert to fraction form
    7,434.36/10,256.49 = 4,289.94/x
  3. Step 3: Cross multiply
    7,434.36x = 10,256.49 × 4,289.94
  4. Step 4: Simplify right side
    7,434.36x = 43,999,726.71
  5. Step 5: Solve for x
    x = 43,999,726.71/7,434.36
  6. Step 6: Final answer
    x = 5,918.43

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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.