Home / 9,291.20-12,810.24-6,771.52

Finding the Fourth Proportional to 9,291.20, 12,810.24 and 6,771.52

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Solution

The fourth proportional to 9,291.20, 12,810.24 and 6,771.52 is: 9,336.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.20 : 12,810.24 = 6,771.52 : x
  2. Step 2: Convert to fraction form
    9,291.20/12,810.24 = 6,771.52/x
  3. Step 3: Cross multiply
    9,291.20x = 12,810.24 × 6,771.52
  4. Step 4: Simplify right side
    9,291.20x = 86,744,796.36
  5. Step 5: Solve for x
    x = 86,744,796.36/9,291.20
  6. Step 6: Final answer
    x = 9,336.23

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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.