Home / 7,715.55-11,578.52-3,333.45

Finding the Fourth Proportional to 7,715.55, 11,578.52 and 3,333.45

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Solution

The fourth proportional to 7,715.55, 11,578.52 and 3,333.45 is: 5,002.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.55 : 11,578.52 = 3,333.45 : x
  2. Step 2: Convert to fraction form
    7,715.55/11,578.52 = 3,333.45/x
  3. Step 3: Cross multiply
    7,715.55x = 11,578.52 × 3,333.45
  4. Step 4: Simplify right side
    7,715.55x = 38,596,417.49
  5. Step 5: Solve for x
    x = 38,596,417.49/7,715.55
  6. Step 6: Final answer
    x = 5,002.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.