Home / 8,911.60-12,298.12-4,933.08

Finding the Fourth Proportional to 8,911.60, 12,298.12 and 4,933.08

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Solution

The fourth proportional to 8,911.60, 12,298.12 and 4,933.08 is: 6,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.60 : 12,298.12 = 4,933.08 : x
  2. Step 2: Convert to fraction form
    8,911.60/12,298.12 = 4,933.08/x
  3. Step 3: Cross multiply
    8,911.60x = 12,298.12 × 4,933.08
  4. Step 4: Simplify right side
    8,911.60x = 60,667,585.14
  5. Step 5: Solve for x
    x = 60,667,585.14/8,911.60
  6. Step 6: Final answer
    x = 6,807.71

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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.