Home / 8,888.26-12,268.24-5,529.07

Finding the Fourth Proportional to 8,888.26, 12,268.24 and 5,529.07

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Solution

The fourth proportional to 8,888.26, 12,268.24 and 5,529.07 is: 7,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.26 : 12,268.24 = 5,529.07 : x
  2. Step 2: Convert to fraction form
    8,888.26/12,268.24 = 5,529.07/x
  3. Step 3: Cross multiply
    8,888.26x = 12,268.24 × 5,529.07
  4. Step 4: Simplify right side
    8,888.26x = 67,831,957.74
  5. Step 5: Solve for x
    x = 67,831,957.74/8,888.26
  6. Step 6: Final answer
    x = 7,631.64

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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.