Home / 7,779.98-11,669.95-3,334.76

Finding the Fourth Proportional to 7,779.98, 11,669.95 and 3,334.76

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Solution

The fourth proportional to 7,779.98, 11,669.95 and 3,334.76 is: 5,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.98 : 11,669.95 = 3,334.76 : x
  2. Step 2: Convert to fraction form
    7,779.98/11,669.95 = 3,334.76/x
  3. Step 3: Cross multiply
    7,779.98x = 11,669.95 × 3,334.76
  4. Step 4: Simplify right side
    7,779.98x = 38,916,543.94
  5. Step 5: Solve for x
    x = 38,916,543.94/7,779.98
  6. Step 6: Final answer
    x = 5,002.14

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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.