Home / 5,802.60-8,708.70-2,687.40

Finding the Fourth Proportional to 5,802.60, 8,708.70 and 2,687.40

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Solution

The fourth proportional to 5,802.60, 8,708.70 and 2,687.40 is: 4,033.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,802.60 : 8,708.70 = 2,687.40 : x
  2. Step 2: Convert to fraction form
    5,802.60/8,708.70 = 2,687.40/x
  3. Step 3: Cross multiply
    5,802.60x = 8,708.70 × 2,687.40
  4. Step 4: Simplify right side
    5,802.60x = 23,403,760.38
  5. Step 5: Solve for x
    x = 23,403,760.38/5,802.60
  6. Step 6: Final answer
    x = 4,033.32

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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.