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Finding the Fourth Proportional to 6,521.80, 8,994.02 and 4,364.52

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Solution

The fourth proportional to 6,521.80, 8,994.02 and 4,364.52 is: 6,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.80 : 8,994.02 = 4,364.52 : x
  2. Step 2: Convert to fraction form
    6,521.80/8,994.02 = 4,364.52/x
  3. Step 3: Cross multiply
    6,521.80x = 8,994.02 × 4,364.52
  4. Step 4: Simplify right side
    6,521.80x = 39,254,580.17
  5. Step 5: Solve for x
    x = 39,254,580.17/6,521.80
  6. Step 6: Final answer
    x = 6,018.98

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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.