Home / 5,256.76-7,870.50-4,263.64

Finding the Fourth Proportional to 5,256.76, 7,870.50 and 4,263.64

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Solution

The fourth proportional to 5,256.76, 7,870.50 and 4,263.64 is: 6,383.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.76 : 7,870.50 = 4,263.64 : x
  2. Step 2: Convert to fraction form
    5,256.76/7,870.50 = 4,263.64/x
  3. Step 3: Cross multiply
    5,256.76x = 7,870.50 × 4,263.64
  4. Step 4: Simplify right side
    5,256.76x = 33,556,978.62
  5. Step 5: Solve for x
    x = 33,556,978.62/5,256.76
  6. Step 6: Final answer
    x = 6,383.59

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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.