Home / 7,688.88-10,606.78-4,500.08

Finding the Fourth Proportional to 7,688.88, 10,606.78 and 4,500.08

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Solution

The fourth proportional to 7,688.88, 10,606.78 and 4,500.08 is: 6,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.88 : 10,606.78 = 4,500.08 : x
  2. Step 2: Convert to fraction form
    7,688.88/10,606.78 = 4,500.08/x
  3. Step 3: Cross multiply
    7,688.88x = 10,606.78 × 4,500.08
  4. Step 4: Simplify right side
    7,688.88x = 47,731,358.54
  5. Step 5: Solve for x
    x = 47,731,358.54/7,688.88
  6. Step 6: Final answer
    x = 6,207.84

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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.