Home / 4,239.02-6,357.81-1,119.06

Finding the Fourth Proportional to 4,239.02, 6,357.81 and 1,119.06

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Solution

The fourth proportional to 4,239.02, 6,357.81 and 1,119.06 is: 1,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.02 : 6,357.81 = 1,119.06 : x
  2. Step 2: Convert to fraction form
    4,239.02/6,357.81 = 1,119.06/x
  3. Step 3: Cross multiply
    4,239.02x = 6,357.81 × 1,119.06
  4. Step 4: Simplify right side
    4,239.02x = 7,114,770.86
  5. Step 5: Solve for x
    x = 7,114,770.86/4,239.02
  6. Step 6: Final answer
    x = 1,678.40

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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.