Home / 8,485.13-11,709.27-4,708.28

Finding the Fourth Proportional to 8,485.13, 11,709.27 and 4,708.28

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Solution

The fourth proportional to 8,485.13, 11,709.27 and 4,708.28 is: 6,497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.13 : 11,709.27 = 4,708.28 : x
  2. Step 2: Convert to fraction form
    8,485.13/11,709.27 = 4,708.28/x
  3. Step 3: Cross multiply
    8,485.13x = 11,709.27 × 4,708.28
  4. Step 4: Simplify right side
    8,485.13x = 55,130,551.03
  5. Step 5: Solve for x
    x = 55,130,551.03/8,485.13
  6. Step 6: Final answer
    x = 6,497.31

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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.