Home / 4,652.58-6,420.56-2,556.70

Finding the Fourth Proportional to 4,652.58, 6,420.56 and 2,556.70

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Solution

The fourth proportional to 4,652.58, 6,420.56 and 2,556.70 is: 3,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652.58 : 6,420.56 = 2,556.70 : x
  2. Step 2: Convert to fraction form
    4,652.58/6,420.56 = 2,556.70/x
  3. Step 3: Cross multiply
    4,652.58x = 6,420.56 × 2,556.70
  4. Step 4: Simplify right side
    4,652.58x = 16,415,445.75
  5. Step 5: Solve for x
    x = 16,415,445.75/4,652.58
  6. Step 6: Final answer
    x = 3,528.25

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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.