Home / 4,145.42-6,219.64-1,925.30

Finding the Fourth Proportional to 4,145.42, 6,219.64 and 1,925.30

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Solution

The fourth proportional to 4,145.42, 6,219.64 and 1,925.30 is: 2,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.42 : 6,219.64 = 1,925.30 : x
  2. Step 2: Convert to fraction form
    4,145.42/6,219.64 = 1,925.30/x
  3. Step 3: Cross multiply
    4,145.42x = 6,219.64 × 1,925.30
  4. Step 4: Simplify right side
    4,145.42x = 11,974,672.89
  5. Step 5: Solve for x
    x = 11,974,672.89/4,145.42
  6. Step 6: Final answer
    x = 2,888.65

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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.