Home / 7,999.43-11,025.95-5,345.87

Finding the Fourth Proportional to 7,999.43, 11,025.95 and 5,345.87

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Solution

The fourth proportional to 7,999.43, 11,025.95 and 5,345.87 is: 7,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.43 : 11,025.95 = 5,345.87 : x
  2. Step 2: Convert to fraction form
    7,999.43/11,025.95 = 5,345.87/x
  3. Step 3: Cross multiply
    7,999.43x = 11,025.95 × 5,345.87
  4. Step 4: Simplify right side
    7,999.43x = 58,943,213.47
  5. Step 5: Solve for x
    x = 58,943,213.47/7,999.43
  6. Step 6: Final answer
    x = 7,368.43

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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.