Home / 5,005.84-6,907.20-2,909.52

Finding the Fourth Proportional to 5,005.84, 6,907.20 and 2,909.52

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Solution

The fourth proportional to 5,005.84, 6,907.20 and 2,909.52 is: 4,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.84 : 6,907.20 = 2,909.52 : x
  2. Step 2: Convert to fraction form
    5,005.84/6,907.20 = 2,909.52/x
  3. Step 3: Cross multiply
    5,005.84x = 6,907.20 × 2,909.52
  4. Step 4: Simplify right side
    5,005.84x = 20,096,636.54
  5. Step 5: Solve for x
    x = 20,096,636.54/5,005.84
  6. Step 6: Final answer
    x = 4,014.64

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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.