Home / 8,022.07-11,070.80-4,485.28

Finding the Fourth Proportional to 8,022.07, 11,070.80 and 4,485.28

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Solution

The fourth proportional to 8,022.07, 11,070.80 and 4,485.28 is: 6,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.07 : 11,070.80 = 4,485.28 : x
  2. Step 2: Convert to fraction form
    8,022.07/11,070.80 = 4,485.28/x
  3. Step 3: Cross multiply
    8,022.07x = 11,070.80 × 4,485.28
  4. Step 4: Simplify right side
    8,022.07x = 49,655,637.82
  5. Step 5: Solve for x
    x = 49,655,637.82/8,022.07
  6. Step 6: Final answer
    x = 6,189.88

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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.