Home / 6,521.10-8,999.12-3,536.98

Finding the Fourth Proportional to 6,521.10, 8,999.12 and 3,536.98

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Solution

The fourth proportional to 6,521.10, 8,999.12 and 3,536.98 is: 4,881.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.10 : 8,999.12 = 3,536.98 : x
  2. Step 2: Convert to fraction form
    6,521.10/8,999.12 = 3,536.98/x
  3. Step 3: Cross multiply
    6,521.10x = 8,999.12 × 3,536.98
  4. Step 4: Simplify right side
    6,521.10x = 31,829,707.46
  5. Step 5: Solve for x
    x = 31,829,707.46/6,521.10
  6. Step 6: Final answer
    x = 4,881.03

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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.