Home / 9,349.80-12,904.92-5,815.68

Finding the Fourth Proportional to 9,349.80, 12,904.92 and 5,815.68

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Solution

The fourth proportional to 9,349.80, 12,904.92 and 5,815.68 is: 8,027.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349.80 : 12,904.92 = 5,815.68 : x
  2. Step 2: Convert to fraction form
    9,349.80/12,904.92 = 5,815.68/x
  3. Step 3: Cross multiply
    9,349.80x = 12,904.92 × 5,815.68
  4. Step 4: Simplify right side
    9,349.80x = 75,050,885.15
  5. Step 5: Solve for x
    x = 75,050,885.15/9,349.80
  6. Step 6: Final answer
    x = 8,027.00

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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.