Home / 7,522.05-10,381.58-4,689.89

Finding the Fourth Proportional to 7,522.05, 10,381.58 and 4,689.89

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Solution

The fourth proportional to 7,522.05, 10,381.58 and 4,689.89 is: 6,472.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.05 : 10,381.58 = 4,689.89 : x
  2. Step 2: Convert to fraction form
    7,522.05/10,381.58 = 4,689.89/x
  3. Step 3: Cross multiply
    7,522.05x = 10,381.58 × 4,689.89
  4. Step 4: Simplify right side
    7,522.05x = 48,688,468.23
  5. Step 5: Solve for x
    x = 48,688,468.23/7,522.05
  6. Step 6: Final answer
    x = 6,472.77

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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.