Home / 7,688.64-10,608.36-4,703.39

Finding the Fourth Proportional to 7,688.64, 10,608.36 and 4,703.39

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Solution

The fourth proportional to 7,688.64, 10,608.36 and 4,703.39 is: 6,489.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.64 : 10,608.36 = 4,703.39 : x
  2. Step 2: Convert to fraction form
    7,688.64/10,608.36 = 4,703.39/x
  3. Step 3: Cross multiply
    7,688.64x = 10,608.36 × 4,703.39
  4. Step 4: Simplify right side
    7,688.64x = 49,895,201.30
  5. Step 5: Solve for x
    x = 49,895,201.30/7,688.64
  6. Step 6: Final answer
    x = 6,489.47

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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.