Home / 5,212.08-7,817.76-1,925.64

Finding the Fourth Proportional to 5,212.08, 7,817.76 and 1,925.64

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Solution

The fourth proportional to 5,212.08, 7,817.76 and 1,925.64 is: 2,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.08 : 7,817.76 = 1,925.64 : x
  2. Step 2: Convert to fraction form
    5,212.08/7,817.76 = 1,925.64/x
  3. Step 3: Cross multiply
    5,212.08x = 7,817.76 × 1,925.64
  4. Step 4: Simplify right side
    5,212.08x = 15,054,191.37
  5. Step 5: Solve for x
    x = 15,054,191.37/5,212.08
  6. Step 6: Final answer
    x = 2,888.33

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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.