Home / 4,239.34-6,358.46-1,119.60

Finding the Fourth Proportional to 4,239.34, 6,358.46 and 1,119.60

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Solution

The fourth proportional to 4,239.34, 6,358.46 and 1,119.60 is: 1,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.34 : 6,358.46 = 1,119.60 : x
  2. Step 2: Convert to fraction form
    4,239.34/6,358.46 = 1,119.60/x
  3. Step 3: Cross multiply
    4,239.34x = 6,358.46 × 1,119.60
  4. Step 4: Simplify right side
    4,239.34x = 7,118,931.82
  5. Step 5: Solve for x
    x = 7,118,931.82/4,239.34
  6. Step 6: Final answer
    x = 1,679.26

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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.