Home / 4,688.49-7,030.58-2,930.79

Finding the Fourth Proportional to 4,688.49, 7,030.58 and 2,930.79

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Solution

The fourth proportional to 4,688.49, 7,030.58 and 2,930.79 is: 4,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.49 : 7,030.58 = 2,930.79 : x
  2. Step 2: Convert to fraction form
    4,688.49/7,030.58 = 2,930.79/x
  3. Step 3: Cross multiply
    4,688.49x = 7,030.58 × 2,930.79
  4. Step 4: Simplify right side
    4,688.49x = 20,605,138.90
  5. Step 5: Solve for x
    x = 20,605,138.90/4,688.49
  6. Step 6: Final answer
    x = 4,394.83

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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.