Home / 4,749.90-6,551.12-4,431.59

Finding the Fourth Proportional to 4,749.90, 6,551.12 and 4,431.59

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Solution

The fourth proportional to 4,749.90, 6,551.12 and 4,431.59 is: 6,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.90 : 6,551.12 = 4,431.59 : x
  2. Step 2: Convert to fraction form
    4,749.90/6,551.12 = 4,431.59/x
  3. Step 3: Cross multiply
    4,749.90x = 6,551.12 × 4,431.59
  4. Step 4: Simplify right side
    4,749.90x = 29,031,880.77
  5. Step 5: Solve for x
    x = 29,031,880.77/4,749.90
  6. Step 6: Final answer
    x = 6,112.11

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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.