Home / 5,038.86-7,558.31-1,528.90

Finding the Fourth Proportional to 5,038.86, 7,558.31 and 1,528.90

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Solution

The fourth proportional to 5,038.86, 7,558.31 and 1,528.90 is: 2,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.86 : 7,558.31 = 1,528.90 : x
  2. Step 2: Convert to fraction form
    5,038.86/7,558.31 = 1,528.90/x
  3. Step 3: Cross multiply
    5,038.86x = 7,558.31 × 1,528.90
  4. Step 4: Simplify right side
    5,038.86x = 11,555,885.03
  5. Step 5: Solve for x
    x = 11,555,885.03/5,038.86
  6. Step 6: Final answer
    x = 2,293.35

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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.