Home / 4,240.02-6,359.31-1,120.06

Finding the Fourth Proportional to 4,240.02, 6,359.31 and 1,120.06

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Solution

The fourth proportional to 4,240.02, 6,359.31 and 1,120.06 is: 1,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.02 : 6,359.31 = 1,120.06 : x
  2. Step 2: Convert to fraction form
    4,240.02/6,359.31 = 1,120.06/x
  3. Step 3: Cross multiply
    4,240.02x = 6,359.31 × 1,120.06
  4. Step 4: Simplify right side
    4,240.02x = 7,122,808.76
  5. Step 5: Solve for x
    x = 7,122,808.76/4,240.02
  6. Step 6: Final answer
    x = 1,679.90

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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.