Home / 9,259.41-12,777.66-5,281.79

Finding the Fourth Proportional to 9,259.41, 12,777.66 and 5,281.79

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Solution

The fourth proportional to 9,259.41, 12,777.66 and 5,281.79 is: 7,288.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259.41 : 12,777.66 = 5,281.79 : x
  2. Step 2: Convert to fraction form
    9,259.41/12,777.66 = 5,281.79/x
  3. Step 3: Cross multiply
    9,259.41x = 12,777.66 × 5,281.79
  4. Step 4: Simplify right side
    9,259.41x = 67,488,948.76
  5. Step 5: Solve for x
    x = 67,488,948.76/9,259.41
  6. Step 6: Final answer
    x = 7,288.69

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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.