Home / 4,352.68-6,529.58-1,431.28

Finding the Fourth Proportional to 4,352.68, 6,529.58 and 1,431.28

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Solution

The fourth proportional to 4,352.68, 6,529.58 and 1,431.28 is: 2,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,352.68 : 6,529.58 = 1,431.28 : x
  2. Step 2: Convert to fraction form
    4,352.68/6,529.58 = 1,431.28/x
  3. Step 3: Cross multiply
    4,352.68x = 6,529.58 × 1,431.28
  4. Step 4: Simplify right side
    4,352.68x = 9,345,657.26
  5. Step 5: Solve for x
    x = 9,345,657.26/4,352.68
  6. Step 6: Final answer
    x = 2,147.10

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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.