Home / 7,779.34-11,666.43-3,336.85

Finding the Fourth Proportional to 7,779.34, 11,666.43 and 3,336.85

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Solution

The fourth proportional to 7,779.34, 11,666.43 and 3,336.85 is: 5,004.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.34 : 11,666.43 = 3,336.85 : x
  2. Step 2: Convert to fraction form
    7,779.34/11,666.43 = 3,336.85/x
  3. Step 3: Cross multiply
    7,779.34x = 11,666.43 × 3,336.85
  4. Step 4: Simplify right side
    7,779.34x = 38,929,075.90
  5. Step 5: Solve for x
    x = 38,929,075.90/7,779.34
  6. Step 6: Final answer
    x = 5,004.16

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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.