Home / 7,393.10-11,088.39-3,691.40

Finding the Fourth Proportional to 7,393.10, 11,088.39 and 3,691.40

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Solution

The fourth proportional to 7,393.10, 11,088.39 and 3,691.40 is: 5,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.10 : 11,088.39 = 3,691.40 : x
  2. Step 2: Convert to fraction form
    7,393.10/11,088.39 = 3,691.40/x
  3. Step 3: Cross multiply
    7,393.10x = 11,088.39 × 3,691.40
  4. Step 4: Simplify right side
    7,393.10x = 40,931,682.85
  5. Step 5: Solve for x
    x = 40,931,682.85/7,393.10
  6. Step 6: Final answer
    x = 5,536.47

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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.