Home / 7,529.10-10,366.97-6,688.34

Finding the Fourth Proportional to 7,529.10, 10,366.97 and 6,688.34

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Solution

The fourth proportional to 7,529.10, 10,366.97 and 6,688.34 is: 9,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.10 : 10,366.97 = 6,688.34 : x
  2. Step 2: Convert to fraction form
    7,529.10/10,366.97 = 6,688.34/x
  3. Step 3: Cross multiply
    7,529.10x = 10,366.97 × 6,688.34
  4. Step 4: Simplify right side
    7,529.10x = 69,337,734.85
  5. Step 5: Solve for x
    x = 69,337,734.85/7,529.10
  6. Step 6: Final answer
    x = 9,209.30

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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.