Home / 5,570.79-7,688.35-3,212.88

Finding the Fourth Proportional to 5,570.79, 7,688.35 and 3,212.88

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Solution

The fourth proportional to 5,570.79, 7,688.35 and 3,212.88 is: 4,434.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.79 : 7,688.35 = 3,212.88 : x
  2. Step 2: Convert to fraction form
    5,570.79/7,688.35 = 3,212.88/x
  3. Step 3: Cross multiply
    5,570.79x = 7,688.35 × 3,212.88
  4. Step 4: Simplify right side
    5,570.79x = 24,701,745.95
  5. Step 5: Solve for x
    x = 24,701,745.95/5,570.79
  6. Step 6: Final answer
    x = 4,434.15

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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.