Home / 9,300.11-12,834.87-5,322.47

Finding the Fourth Proportional to 9,300.11, 12,834.87 and 5,322.47

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Solution

The fourth proportional to 9,300.11, 12,834.87 and 5,322.47 is: 7,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,300.11 : 12,834.87 = 5,322.47 : x
  2. Step 2: Convert to fraction form
    9,300.11/12,834.87 = 5,322.47/x
  3. Step 3: Cross multiply
    9,300.11x = 12,834.87 × 5,322.47
  4. Step 4: Simplify right side
    9,300.11x = 68,313,210.53
  5. Step 5: Solve for x
    x = 68,313,210.53/9,300.11
  6. Step 6: Final answer
    x = 7,345.42

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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.