Home / 4,678.42-7,015.50-1,904.06

Finding the Fourth Proportional to 4,678.42, 7,015.50 and 1,904.06

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Solution

The fourth proportional to 4,678.42, 7,015.50 and 1,904.06 is: 2,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.42 : 7,015.50 = 1,904.06 : x
  2. Step 2: Convert to fraction form
    4,678.42/7,015.50 = 1,904.06/x
  3. Step 3: Cross multiply
    4,678.42x = 7,015.50 × 1,904.06
  4. Step 4: Simplify right side
    4,678.42x = 13,357,932.93
  5. Step 5: Solve for x
    x = 13,357,932.93/4,678.42
  6. Step 6: Final answer
    x = 2,855.22

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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.