Home / 5,146.40-7,102.47-4,305.62

Finding the Fourth Proportional to 5,146.40, 7,102.47 and 4,305.62

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Solution

The fourth proportional to 5,146.40, 7,102.47 and 4,305.62 is: 5,942.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.40 : 7,102.47 = 4,305.62 : x
  2. Step 2: Convert to fraction form
    5,146.40/7,102.47 = 4,305.62/x
  3. Step 3: Cross multiply
    5,146.40x = 7,102.47 × 4,305.62
  4. Step 4: Simplify right side
    5,146.40x = 30,580,501.37
  5. Step 5: Solve for x
    x = 30,580,501.37/5,146.40
  6. Step 6: Final answer
    x = 5,942.12

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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.