Home / 9,285.08-12,813.18-5,305.94

Finding the Fourth Proportional to 9,285.08, 12,813.18 and 5,305.94

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Solution

The fourth proportional to 9,285.08, 12,813.18 and 5,305.94 is: 7,322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.08 : 12,813.18 = 5,305.94 : x
  2. Step 2: Convert to fraction form
    9,285.08/12,813.18 = 5,305.94/x
  3. Step 3: Cross multiply
    9,285.08x = 12,813.18 × 5,305.94
  4. Step 4: Simplify right side
    9,285.08x = 67,985,964.29
  5. Step 5: Solve for x
    x = 67,985,964.29/9,285.08
  6. Step 6: Final answer
    x = 7,322.07

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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.