Home / 4,221.54-6,316.40-2,526.64

Finding the Fourth Proportional to 4,221.54, 6,316.40 and 2,526.64

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Solution

The fourth proportional to 4,221.54, 6,316.40 and 2,526.64 is: 3,780.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.54 : 6,316.40 = 2,526.64 : x
  2. Step 2: Convert to fraction form
    4,221.54/6,316.40 = 2,526.64/x
  3. Step 3: Cross multiply
    4,221.54x = 6,316.40 × 2,526.64
  4. Step 4: Simplify right side
    4,221.54x = 15,959,259.42
  5. Step 5: Solve for x
    x = 15,959,259.42/4,221.54
  6. Step 6: Final answer
    x = 3,780.44

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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.