Home / 8,933.28-12,299.88-7,586.08

Finding the Fourth Proportional to 8,933.28, 12,299.88 and 7,586.08

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Solution

The fourth proportional to 8,933.28, 12,299.88 and 7,586.08 is: 10,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.28 : 12,299.88 = 7,586.08 : x
  2. Step 2: Convert to fraction form
    8,933.28/12,299.88 = 7,586.08/x
  3. Step 3: Cross multiply
    8,933.28x = 12,299.88 × 7,586.08
  4. Step 4: Simplify right side
    8,933.28x = 93,307,873.67
  5. Step 5: Solve for x
    x = 93,307,873.67/8,933.28
  6. Step 6: Final answer
    x = 10,444.97

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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.