Home / 5,303.16-7,313.96-3,979.80

Finding the Fourth Proportional to 5,303.16, 7,313.96 and 3,979.80

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Solution

The fourth proportional to 5,303.16, 7,313.96 and 3,979.80 is: 5,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.16 : 7,313.96 = 3,979.80 : x
  2. Step 2: Convert to fraction form
    5,303.16/7,313.96 = 3,979.80/x
  3. Step 3: Cross multiply
    5,303.16x = 7,313.96 × 3,979.80
  4. Step 4: Simplify right side
    5,303.16x = 29,108,098.01
  5. Step 5: Solve for x
    x = 29,108,098.01/5,303.16
  6. Step 6: Final answer
    x = 5,488.82

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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.