Home / 9,128.79-12,602.75-5,944.86

Finding the Fourth Proportional to 9,128.79, 12,602.75 and 5,944.86

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Solution

The fourth proportional to 9,128.79, 12,602.75 and 5,944.86 is: 8,207.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.79 : 12,602.75 = 5,944.86 : x
  2. Step 2: Convert to fraction form
    9,128.79/12,602.75 = 5,944.86/x
  3. Step 3: Cross multiply
    9,128.79x = 12,602.75 × 5,944.86
  4. Step 4: Simplify right side
    9,128.79x = 74,921,554.64
  5. Step 5: Solve for x
    x = 74,921,554.64/9,128.79
  6. Step 6: Final answer
    x = 8,207.17

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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.