Home / 4,688.70-6,470.82-3,507.72

Finding the Fourth Proportional to 4,688.70, 6,470.82 and 3,507.72

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Solution

The fourth proportional to 4,688.70, 6,470.82 and 3,507.72 is: 4,840.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.70 : 6,470.82 = 3,507.72 : x
  2. Step 2: Convert to fraction form
    4,688.70/6,470.82 = 3,507.72/x
  3. Step 3: Cross multiply
    4,688.70x = 6,470.82 × 3,507.72
  4. Step 4: Simplify right side
    4,688.70x = 22,697,824.73
  5. Step 5: Solve for x
    x = 22,697,824.73/4,688.70
  6. Step 6: Final answer
    x = 4,840.96

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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.