Home / 4,215.12-6,322.85-1,582.35

Finding the Fourth Proportional to 4,215.12, 6,322.85 and 1,582.35

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Solution

The fourth proportional to 4,215.12, 6,322.85 and 1,582.35 is: 2,373.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.12 : 6,322.85 = 1,582.35 : x
  2. Step 2: Convert to fraction form
    4,215.12/6,322.85 = 1,582.35/x
  3. Step 3: Cross multiply
    4,215.12x = 6,322.85 × 1,582.35
  4. Step 4: Simplify right side
    4,215.12x = 10,004,953.79
  5. Step 5: Solve for x
    x = 10,004,953.79/4,215.12
  6. Step 6: Final answer
    x = 2,373.59

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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.