Home / 4,886.52-7,323.76-2,779.92

Finding the Fourth Proportional to 4,886.52, 7,323.76 and 2,779.92

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Solution

The fourth proportional to 4,886.52, 7,323.76 and 2,779.92 is: 4,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.52 : 7,323.76 = 2,779.92 : x
  2. Step 2: Convert to fraction form
    4,886.52/7,323.76 = 2,779.92/x
  3. Step 3: Cross multiply
    4,886.52x = 7,323.76 × 2,779.92
  4. Step 4: Simplify right side
    4,886.52x = 20,359,430.28
  5. Step 5: Solve for x
    x = 20,359,430.28/4,886.52
  6. Step 6: Final answer
    x = 4,166.45

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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.