Home / 5,289.84-7,935.57-1,591.58

Finding the Fourth Proportional to 5,289.84, 7,935.57 and 1,591.58

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Solution

The fourth proportional to 5,289.84, 7,935.57 and 1,591.58 is: 2,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.84 : 7,935.57 = 1,591.58 : x
  2. Step 2: Convert to fraction form
    5,289.84/7,935.57 = 1,591.58/x
  3. Step 3: Cross multiply
    5,289.84x = 7,935.57 × 1,591.58
  4. Step 4: Simplify right side
    5,289.84x = 12,630,114.34
  5. Step 5: Solve for x
    x = 12,630,114.34/5,289.84
  6. Step 6: Final answer
    x = 2,387.62

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1.5x scale

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.