Home / 7,828.05-10,802.63-4,291.25

Finding the Fourth Proportional to 7,828.05, 10,802.63 and 4,291.25

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Solution

The fourth proportional to 7,828.05, 10,802.63 and 4,291.25 is: 5,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.05 : 10,802.63 = 4,291.25 : x
  2. Step 2: Convert to fraction form
    7,828.05/10,802.63 = 4,291.25/x
  3. Step 3: Cross multiply
    7,828.05x = 10,802.63 × 4,291.25
  4. Step 4: Simplify right side
    7,828.05x = 46,356,783.21
  5. Step 5: Solve for x
    x = 46,356,783.21/7,828.05
  6. Step 6: Final answer
    x = 5,921.88

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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.