Home / 9,283.86-12,812.40-5,092.20

Finding the Fourth Proportional to 9,283.86, 12,812.40 and 5,092.20

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Solution

The fourth proportional to 9,283.86, 12,812.40 and 5,092.20 is: 7,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,283.86 : 12,812.40 = 5,092.20 : x
  2. Step 2: Convert to fraction form
    9,283.86/12,812.40 = 5,092.20/x
  3. Step 3: Cross multiply
    9,283.86x = 12,812.40 × 5,092.20
  4. Step 4: Simplify right side
    9,283.86x = 65,243,303.28
  5. Step 5: Solve for x
    x = 65,243,303.28/9,283.86
  6. Step 6: Final answer
    x = 7,027.61

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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.