Home / 4,342.14-6,512.58-1,420.56

Finding the Fourth Proportional to 4,342.14, 6,512.58 and 1,420.56

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Solution

The fourth proportional to 4,342.14, 6,512.58 and 1,420.56 is: 2,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.14 : 6,512.58 = 1,420.56 : x
  2. Step 2: Convert to fraction form
    4,342.14/6,512.58 = 1,420.56/x
  3. Step 3: Cross multiply
    4,342.14x = 6,512.58 × 1,420.56
  4. Step 4: Simplify right side
    4,342.14x = 9,251,510.64
  5. Step 5: Solve for x
    x = 9,251,510.64/4,342.14
  6. Step 6: Final answer
    x = 2,130.63

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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.