Home / 4,342.23-6,513.03-1,420.56

Finding the Fourth Proportional to 4,342.23, 6,513.03 and 1,420.56

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Solution

The fourth proportional to 4,342.23, 6,513.03 and 1,420.56 is: 2,130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.23 : 6,513.03 = 1,420.56 : x
  2. Step 2: Convert to fraction form
    4,342.23/6,513.03 = 1,420.56/x
  3. Step 3: Cross multiply
    4,342.23x = 6,513.03 × 1,420.56
  4. Step 4: Simplify right side
    4,342.23x = 9,252,149.90
  5. Step 5: Solve for x
    x = 9,252,149.90/4,342.23
  6. Step 6: Final answer
    x = 2,130.74

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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.