Home / 7,851.57-11,779.08-4,346.69

Finding the Fourth Proportional to 7,851.57, 11,779.08 and 4,346.69

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Solution

The fourth proportional to 7,851.57, 11,779.08 and 4,346.69 is: 6,520.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.57 : 11,779.08 = 4,346.69 : x
  2. Step 2: Convert to fraction form
    7,851.57/11,779.08 = 4,346.69/x
  3. Step 3: Cross multiply
    7,851.57x = 11,779.08 × 4,346.69
  4. Step 4: Simplify right side
    7,851.57x = 51,199,950.35
  5. Step 5: Solve for x
    x = 51,199,950.35/7,851.57
  6. Step 6: Final answer
    x = 6,520.99

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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.