Home / 7,779.24-11,669.16-6,617.30

Finding the Fourth Proportional to 7,779.24, 11,669.16 and 6,617.30

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Solution

The fourth proportional to 7,779.24, 11,669.16 and 6,617.30 is: 9,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.24 : 11,669.16 = 6,617.30 : x
  2. Step 2: Convert to fraction form
    7,779.24/11,669.16 = 6,617.30/x
  3. Step 3: Cross multiply
    7,779.24x = 11,669.16 × 6,617.30
  4. Step 4: Simplify right side
    7,779.24x = 77,218,298.94
  5. Step 5: Solve for x
    x = 77,218,298.94/7,779.24
  6. Step 6: Final answer
    x = 9,926.20

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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.