Home / 4,913.09-7,370.12-1,581.72

Finding the Fourth Proportional to 4,913.09, 7,370.12 and 1,581.72

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Solution

The fourth proportional to 4,913.09, 7,370.12 and 1,581.72 is: 2,372.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.09 : 7,370.12 = 1,581.72 : x
  2. Step 2: Convert to fraction form
    4,913.09/7,370.12 = 1,581.72/x
  3. Step 3: Cross multiply
    4,913.09x = 7,370.12 × 1,581.72
  4. Step 4: Simplify right side
    4,913.09x = 11,657,466.21
  5. Step 5: Solve for x
    x = 11,657,466.21/4,913.09
  6. Step 6: Final answer
    x = 2,372.74

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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.