Home / 9,282.80-12,810.11-5,303.27

Finding the Fourth Proportional to 9,282.80, 12,810.11 and 5,303.27

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Solution

The fourth proportional to 9,282.80, 12,810.11 and 5,303.27 is: 7,318.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282.80 : 12,810.11 = 5,303.27 : x
  2. Step 2: Convert to fraction form
    9,282.80/12,810.11 = 5,303.27/x
  3. Step 3: Cross multiply
    9,282.80x = 12,810.11 × 5,303.27
  4. Step 4: Simplify right side
    9,282.80x = 67,935,477.57
  5. Step 5: Solve for x
    x = 67,935,477.57/9,282.80
  6. Step 6: Final answer
    x = 7,318.42

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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.