Home / 7,021.37-10,533.13-2,639.13

Finding the Fourth Proportional to 7,021.37, 10,533.13 and 2,639.13

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Solution

The fourth proportional to 7,021.37, 10,533.13 and 2,639.13 is: 3,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.37 : 10,533.13 = 2,639.13 : x
  2. Step 2: Convert to fraction form
    7,021.37/10,533.13 = 2,639.13/x
  3. Step 3: Cross multiply
    7,021.37x = 10,533.13 × 2,639.13
  4. Step 4: Simplify right side
    7,021.37x = 27,798,292.78
  5. Step 5: Solve for x
    x = 27,798,292.78/7,021.37
  6. Step 6: Final answer
    x = 3,959.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.