Home / 7,812.08-11,699.16-4,296.72

Finding the Fourth Proportional to 7,812.08, 11,699.16 and 4,296.72

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Solution

The fourth proportional to 7,812.08, 11,699.16 and 4,296.72 is: 6,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812.08 : 11,699.16 = 4,296.72 : x
  2. Step 2: Convert to fraction form
    7,812.08/11,699.16 = 4,296.72/x
  3. Step 3: Cross multiply
    7,812.08x = 11,699.16 × 4,296.72
  4. Step 4: Simplify right side
    7,812.08x = 50,268,014.76
  5. Step 5: Solve for x
    x = 50,268,014.76/7,812.08
  6. Step 6: Final answer
    x = 6,434.65

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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.