Home / 5,018.82-7,528.38-4,283.76

Finding the Fourth Proportional to 5,018.82, 7,528.38 and 4,283.76

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Solution

The fourth proportional to 5,018.82, 7,528.38 and 4,283.76 is: 6,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.82 : 7,528.38 = 4,283.76 : x
  2. Step 2: Convert to fraction form
    5,018.82/7,528.38 = 4,283.76/x
  3. Step 3: Cross multiply
    5,018.82x = 7,528.38 × 4,283.76
  4. Step 4: Simplify right side
    5,018.82x = 32,249,773.11
  5. Step 5: Solve for x
    x = 32,249,773.11/5,018.82
  6. Step 6: Final answer
    x = 6,425.77

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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.