Home / 4,582.92-6,872.88-1,985.40

Finding the Fourth Proportional to 4,582.92, 6,872.88 and 1,985.40

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Solution

The fourth proportional to 4,582.92, 6,872.88 and 1,985.40 is: 2,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,582.92 : 6,872.88 = 1,985.40 : x
  2. Step 2: Convert to fraction form
    4,582.92/6,872.88 = 1,985.40/x
  3. Step 3: Cross multiply
    4,582.92x = 6,872.88 × 1,985.40
  4. Step 4: Simplify right side
    4,582.92x = 13,645,415.95
  5. Step 5: Solve for x
    x = 13,645,415.95/4,582.92
  6. Step 6: Final answer
    x = 2,977.45

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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.