Home / 4,351.78-6,528.21-2,159.92

Finding the Fourth Proportional to 4,351.78, 6,528.21 and 2,159.92

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Solution

The fourth proportional to 4,351.78, 6,528.21 and 2,159.92 is: 3,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,351.78 : 6,528.21 = 2,159.92 : x
  2. Step 2: Convert to fraction form
    4,351.78/6,528.21 = 2,159.92/x
  3. Step 3: Cross multiply
    4,351.78x = 6,528.21 × 2,159.92
  4. Step 4: Simplify right side
    4,351.78x = 14,100,411.34
  5. Step 5: Solve for x
    x = 14,100,411.34/4,351.78
  6. Step 6: Final answer
    x = 3,240.15

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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.