Home / 7,000.84-10,505.40-2,558.11

Finding the Fourth Proportional to 7,000.84, 10,505.40 and 2,558.11

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Solution

The fourth proportional to 7,000.84, 10,505.40 and 2,558.11 is: 3,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.84 : 10,505.40 = 2,558.11 : x
  2. Step 2: Convert to fraction form
    7,000.84/10,505.40 = 2,558.11/x
  3. Step 3: Cross multiply
    7,000.84x = 10,505.40 × 2,558.11
  4. Step 4: Simplify right side
    7,000.84x = 26,873,988.66
  5. Step 5: Solve for x
    x = 26,873,988.66/7,000.84
  6. Step 6: Final answer
    x = 3,838.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.