Home / 7,857.36-10,843.68-4,320.60

Finding the Fourth Proportional to 7,857.36, 10,843.68 and 4,320.60

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Solution

The fourth proportional to 7,857.36, 10,843.68 and 4,320.60 is: 5,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.36 : 10,843.68 = 4,320.60 : x
  2. Step 2: Convert to fraction form
    7,857.36/10,843.68 = 4,320.60/x
  3. Step 3: Cross multiply
    7,857.36x = 10,843.68 × 4,320.60
  4. Step 4: Simplify right side
    7,857.36x = 46,851,203.81
  5. Step 5: Solve for x
    x = 46,851,203.81/7,857.36
  6. Step 6: Final answer
    x = 5,962.72

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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.