Home / 5,260.64-7,888.08-2,485.60

Finding the Fourth Proportional to 5,260.64, 7,888.08 and 2,485.60

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Solution

The fourth proportional to 5,260.64, 7,888.08 and 2,485.60 is: 3,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.64 : 7,888.08 = 2,485.60 : x
  2. Step 2: Convert to fraction form
    5,260.64/7,888.08 = 2,485.60/x
  3. Step 3: Cross multiply
    5,260.64x = 7,888.08 × 2,485.60
  4. Step 4: Simplify right side
    5,260.64x = 19,606,611.65
  5. Step 5: Solve for x
    x = 19,606,611.65/5,260.64
  6. Step 6: Final answer
    x = 3,727.04

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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.