Home / 9,285.92-12,813.77-5,306.25

Finding the Fourth Proportional to 9,285.92, 12,813.77 and 5,306.25

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Solution

The fourth proportional to 9,285.92, 12,813.77 and 5,306.25 is: 7,322.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.92 : 12,813.77 = 5,306.25 : x
  2. Step 2: Convert to fraction form
    9,285.92/12,813.77 = 5,306.25/x
  3. Step 3: Cross multiply
    9,285.92x = 12,813.77 × 5,306.25
  4. Step 4: Simplify right side
    9,285.92x = 67,993,040.53
  5. Step 5: Solve for x
    x = 67,993,040.53/9,285.92
  6. Step 6: Final answer
    x = 7,322.17

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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.