Home / 7,088.28-9,782.40-3,944.70

Finding the Fourth Proportional to 7,088.28, 9,782.40 and 3,944.70

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Solution

The fourth proportional to 7,088.28, 9,782.40 and 3,944.70 is: 5,444.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.28 : 9,782.40 = 3,944.70 : x
  2. Step 2: Convert to fraction form
    7,088.28/9,782.40 = 3,944.70/x
  3. Step 3: Cross multiply
    7,088.28x = 9,782.40 × 3,944.70
  4. Step 4: Simplify right side
    7,088.28x = 38,588,633.28
  5. Step 5: Solve for x
    x = 38,588,633.28/7,088.28
  6. Step 6: Final answer
    x = 5,444.01

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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.