Home / 4,520.71-6,779.48-2,148.50

Finding the Fourth Proportional to 4,520.71, 6,779.48 and 2,148.50

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Solution

The fourth proportional to 4,520.71, 6,779.48 and 2,148.50 is: 3,222.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.71 : 6,779.48 = 2,148.50 : x
  2. Step 2: Convert to fraction form
    4,520.71/6,779.48 = 2,148.50/x
  3. Step 3: Cross multiply
    4,520.71x = 6,779.48 × 2,148.50
  4. Step 4: Simplify right side
    4,520.71x = 14,565,702.04
  5. Step 5: Solve for x
    x = 14,565,702.04/4,520.71
  6. Step 6: Final answer
    x = 3,222.00

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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.