Home / 8,488.34-11,715.75-6,476.99

Finding the Fourth Proportional to 8,488.34, 11,715.75 and 6,476.99

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Solution

The fourth proportional to 8,488.34, 11,715.75 and 6,476.99 is: 8,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.34 : 11,715.75 = 6,476.99 : x
  2. Step 2: Convert to fraction form
    8,488.34/11,715.75 = 6,476.99/x
  3. Step 3: Cross multiply
    8,488.34x = 11,715.75 × 6,476.99
  4. Step 4: Simplify right side
    8,488.34x = 75,882,737.01
  5. Step 5: Solve for x
    x = 75,882,737.01/8,488.34
  6. Step 6: Final answer
    x = 8,939.64

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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.