Home / 8,427.51-12,635.87-3,500.55

Finding the Fourth Proportional to 8,427.51, 12,635.87 and 3,500.55

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Solution

The fourth proportional to 8,427.51, 12,635.87 and 3,500.55 is: 5,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.51 : 12,635.87 = 3,500.55 : x
  2. Step 2: Convert to fraction form
    8,427.51/12,635.87 = 3,500.55/x
  3. Step 3: Cross multiply
    8,427.51x = 12,635.87 × 3,500.55
  4. Step 4: Simplify right side
    8,427.51x = 44,232,477.23
  5. Step 5: Solve for x
    x = 44,232,477.23/8,427.51
  6. Step 6: Final answer
    x = 5,248.58

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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.