Home / 5,398.32-8,086.86-4,810.56

Finding the Fourth Proportional to 5,398.32, 8,086.86 and 4,810.56

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Solution

The fourth proportional to 5,398.32, 8,086.86 and 4,810.56 is: 7,206.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.32 : 8,086.86 = 4,810.56 : x
  2. Step 2: Convert to fraction form
    5,398.32/8,086.86 = 4,810.56/x
  3. Step 3: Cross multiply
    5,398.32x = 8,086.86 × 4,810.56
  4. Step 4: Simplify right side
    5,398.32x = 38,902,325.24
  5. Step 5: Solve for x
    x = 38,902,325.24/5,398.32
  6. Step 6: Final answer
    x = 7,206.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.