Home / 7,715.08-11,573.16-3,818.44

Finding the Fourth Proportional to 7,715.08, 11,573.16 and 3,818.44

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Solution

The fourth proportional to 7,715.08, 11,573.16 and 3,818.44 is: 5,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.08 : 11,573.16 = 3,818.44 : x
  2. Step 2: Convert to fraction form
    7,715.08/11,573.16 = 3,818.44/x
  3. Step 3: Cross multiply
    7,715.08x = 11,573.16 × 3,818.44
  4. Step 4: Simplify right side
    7,715.08x = 44,191,373.82
  5. Step 5: Solve for x
    x = 44,191,373.82/7,715.08
  6. Step 6: Final answer
    x = 5,727.92

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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.