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Finding the Fourth Proportional to 5,812.60, 8,036.94 and 5,074.51

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Solution

The fourth proportional to 5,812.60, 8,036.94 and 5,074.51 is: 7,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.60 : 8,036.94 = 5,074.51 : x
  2. Step 2: Convert to fraction form
    5,812.60/8,036.94 = 5,074.51/x
  3. Step 3: Cross multiply
    5,812.60x = 8,036.94 × 5,074.51
  4. Step 4: Simplify right side
    5,812.60x = 40,783,532.40
  5. Step 5: Solve for x
    x = 40,783,532.40/5,812.60
  6. Step 6: Final answer
    x = 7,016.40

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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.