Home / 9,029.07-12,461.45-5,491.60

Finding the Fourth Proportional to 9,029.07, 12,461.45 and 5,491.60

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Solution

The fourth proportional to 9,029.07, 12,461.45 and 5,491.60 is: 7,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.07 : 12,461.45 = 5,491.60 : x
  2. Step 2: Convert to fraction form
    9,029.07/12,461.45 = 5,491.60/x
  3. Step 3: Cross multiply
    9,029.07x = 12,461.45 × 5,491.60
  4. Step 4: Simplify right side
    9,029.07x = 68,433,240.21
  5. Step 5: Solve for x
    x = 68,433,240.21/9,029.07
  6. Step 6: Final answer
    x = 7,579.21

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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.