Home / 5,122.58-7,680.36-1,835.60

Finding the Fourth Proportional to 5,122.58, 7,680.36 and 1,835.60

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Solution

The fourth proportional to 5,122.58, 7,680.36 and 1,835.60 is: 2,752.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.58 : 7,680.36 = 1,835.60 : x
  2. Step 2: Convert to fraction form
    5,122.58/7,680.36 = 1,835.60/x
  3. Step 3: Cross multiply
    5,122.58x = 7,680.36 × 1,835.60
  4. Step 4: Simplify right side
    5,122.58x = 14,098,068.82
  5. Step 5: Solve for x
    x = 14,098,068.82/5,122.58
  6. Step 6: Final answer
    x = 2,752.14

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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.