Home / 5,282.40-7,289.60-2,924.50

Finding the Fourth Proportional to 5,282.40, 7,289.60 and 2,924.50

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Solution

The fourth proportional to 5,282.40, 7,289.60 and 2,924.50 is: 4,035.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.40 : 7,289.60 = 2,924.50 : x
  2. Step 2: Convert to fraction form
    5,282.40/7,289.60 = 2,924.50/x
  3. Step 3: Cross multiply
    5,282.40x = 7,289.60 × 2,924.50
  4. Step 4: Simplify right side
    5,282.40x = 21,318,435.20
  5. Step 5: Solve for x
    x = 21,318,435.20/5,282.40
  6. Step 6: Final answer
    x = 4,035.75

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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.