Home / 7,526.92-11,210.88-7,131.78

Finding the Fourth Proportional to 7,526.92, 11,210.88 and 7,131.78

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Solution

The fourth proportional to 7,526.92, 11,210.88 and 7,131.78 is: 10,622.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,526.92 : 11,210.88 = 7,131.78 : x
  2. Step 2: Convert to fraction form
    7,526.92/11,210.88 = 7,131.78/x
  3. Step 3: Cross multiply
    7,526.92x = 11,210.88 × 7,131.78
  4. Step 4: Simplify right side
    7,526.92x = 79,953,529.77
  5. Step 5: Solve for x
    x = 79,953,529.77/7,526.92
  6. Step 6: Final answer
    x = 10,622.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.