Home / 4,342.37-6,510.92-1,420.29

Finding the Fourth Proportional to 4,342.37, 6,510.92 and 1,420.29

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Solution

The fourth proportional to 4,342.37, 6,510.92 and 1,420.29 is: 2,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.37 : 6,510.92 = 1,420.29 : x
  2. Step 2: Convert to fraction form
    4,342.37/6,510.92 = 1,420.29/x
  3. Step 3: Cross multiply
    4,342.37x = 6,510.92 × 1,420.29
  4. Step 4: Simplify right side
    4,342.37x = 9,247,387.47
  5. Step 5: Solve for x
    x = 9,247,387.47/4,342.37
  6. Step 6: Final answer
    x = 2,129.57

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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.