Home / 5,255.79-7,883.71-1,558.09

Finding the Fourth Proportional to 5,255.79, 7,883.71 and 1,558.09

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Solution

The fourth proportional to 5,255.79, 7,883.71 and 1,558.09 is: 2,337.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.79 : 7,883.71 = 1,558.09 : x
  2. Step 2: Convert to fraction form
    5,255.79/7,883.71 = 1,558.09/x
  3. Step 3: Cross multiply
    5,255.79x = 7,883.71 × 1,558.09
  4. Step 4: Simplify right side
    5,255.79x = 12,283,529.71
  5. Step 5: Solve for x
    x = 12,283,529.71/5,255.79
  6. Step 6: Final answer
    x = 2,337.14

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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.