Home / 7,088.64-9,782.36-3,944.90

Finding the Fourth Proportional to 7,088.64, 9,782.36 and 3,944.90

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Solution

The fourth proportional to 7,088.64, 9,782.36 and 3,944.90 is: 5,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.64 : 9,782.36 = 3,944.90 : x
  2. Step 2: Convert to fraction form
    7,088.64/9,782.36 = 3,944.90/x
  3. Step 3: Cross multiply
    7,088.64x = 9,782.36 × 3,944.90
  4. Step 4: Simplify right side
    7,088.64x = 38,590,431.96
  5. Step 5: Solve for x
    x = 38,590,431.96/7,088.64
  6. Step 6: Final answer
    x = 5,443.98

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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.