Home / 5,281.84-7,289.90-3,293.70

Finding the Fourth Proportional to 5,281.84, 7,289.90 and 3,293.70

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Solution

The fourth proportional to 5,281.84, 7,289.90 and 3,293.70 is: 4,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.84 : 7,289.90 = 3,293.70 : x
  2. Step 2: Convert to fraction form
    5,281.84/7,289.90 = 3,293.70/x
  3. Step 3: Cross multiply
    5,281.84x = 7,289.90 × 3,293.70
  4. Step 4: Simplify right side
    5,281.84x = 24,010,743.63
  5. Step 5: Solve for x
    x = 24,010,743.63/5,281.84
  6. Step 6: Final answer
    x = 4,545.91

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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.