Home / 8,485.56-11,701.26-5,686.20

Finding the Fourth Proportional to 8,485.56, 11,701.26 and 5,686.20

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Solution

The fourth proportional to 8,485.56, 11,701.26 and 5,686.20 is: 7,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.56 : 11,701.26 = 5,686.20 : x
  2. Step 2: Convert to fraction form
    8,485.56/11,701.26 = 5,686.20/x
  3. Step 3: Cross multiply
    8,485.56x = 11,701.26 × 5,686.20
  4. Step 4: Simplify right side
    8,485.56x = 66,535,704.61
  5. Step 5: Solve for x
    x = 66,535,704.61/8,485.56
  6. Step 6: Final answer
    x = 7,841.05

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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.