Home / 6,521.08-8,998.98-3,688.41

Finding the Fourth Proportional to 6,521.08, 8,998.98 and 3,688.41

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Solution

The fourth proportional to 6,521.08, 8,998.98 and 3,688.41 is: 5,089.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.08 : 8,998.98 = 3,688.41 : x
  2. Step 2: Convert to fraction form
    6,521.08/8,998.98 = 3,688.41/x
  3. Step 3: Cross multiply
    6,521.08x = 8,998.98 × 3,688.41
  4. Step 4: Simplify right side
    6,521.08x = 33,191,927.82
  5. Step 5: Solve for x
    x = 33,191,927.82/6,521.08
  6. Step 6: Final answer
    x = 5,089.94

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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.