Home / 4,854.38-7,281.63-1,391.63

Finding the Fourth Proportional to 4,854.38, 7,281.63 and 1,391.63

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Solution

The fourth proportional to 4,854.38, 7,281.63 and 1,391.63 is: 2,087.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,854.38 : 7,281.63 = 1,391.63 : x
  2. Step 2: Convert to fraction form
    4,854.38/7,281.63 = 1,391.63/x
  3. Step 3: Cross multiply
    4,854.38x = 7,281.63 × 1,391.63
  4. Step 4: Simplify right side
    4,854.38x = 10,133,298.35
  5. Step 5: Solve for x
    x = 10,133,298.35/4,854.38
  6. Step 6: Final answer
    x = 2,087.46

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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.