Home / 6,521.07-8,999.09-3,536.91

Finding the Fourth Proportional to 6,521.07, 8,999.09 and 3,536.91

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Solution

The fourth proportional to 6,521.07, 8,999.09 and 3,536.91 is: 4,880.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.07 : 8,999.09 = 3,536.91 : x
  2. Step 2: Convert to fraction form
    6,521.07/8,999.09 = 3,536.91/x
  3. Step 3: Cross multiply
    6,521.07x = 8,999.09 × 3,536.91
  4. Step 4: Simplify right side
    6,521.07x = 31,828,953.73
  5. Step 5: Solve for x
    x = 31,828,953.73/6,521.07
  6. Step 6: Final answer
    x = 4,880.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.