Home / 9,266.94-12,789.45-5,288.63

Finding the Fourth Proportional to 9,266.94, 12,789.45 and 5,288.63

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Solution

The fourth proportional to 9,266.94, 12,789.45 and 5,288.63 is: 7,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266.94 : 12,789.45 = 5,288.63 : x
  2. Step 2: Convert to fraction form
    9,266.94/12,789.45 = 5,288.63/x
  3. Step 3: Cross multiply
    9,266.94x = 12,789.45 × 5,288.63
  4. Step 4: Simplify right side
    9,266.94x = 67,638,605.01
  5. Step 5: Solve for x
    x = 67,638,605.01/9,266.94
  6. Step 6: Final answer
    x = 7,298.91

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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.