Home / 7,074.64-10,608.36-2,688.76

Finding the Fourth Proportional to 7,074.64, 10,608.36 and 2,688.76

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Solution

The fourth proportional to 7,074.64, 10,608.36 and 2,688.76 is: 4,031.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.64 : 10,608.36 = 2,688.76 : x
  2. Step 2: Convert to fraction form
    7,074.64/10,608.36 = 2,688.76/x
  3. Step 3: Cross multiply
    7,074.64x = 10,608.36 × 2,688.76
  4. Step 4: Simplify right side
    7,074.64x = 28,523,334.03
  5. Step 5: Solve for x
    x = 28,523,334.03/7,074.64
  6. Step 6: Final answer
    x = 4,031.77

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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.