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Finding the Fourth Proportional to 8,521, 11,758.98 and 4,795.08

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Solution

The fourth proportional to 8,521, 11,758.98 and 4,795.08 is: 6,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521 : 11,758.98 = 4,795.08 : x
  2. Step 2: Convert to fraction form
    8,521/11,758.98 = 4,795.08/x
  3. Step 3: Cross multiply
    8,521x = 11,758.98 × 4,795.08
  4. Step 4: Simplify right side
    8,521x = 56,385,249.82
  5. Step 5: Solve for x
    x = 56,385,249.82/8,521
  6. Step 6: Final answer
    x = 6,617.21

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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.