Home / 5,478.24-8,215.44-2,398.56

Finding the Fourth Proportional to 5,478.24, 8,215.44 and 2,398.56

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Solution

The fourth proportional to 5,478.24, 8,215.44 and 2,398.56 is: 3,597.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.24 : 8,215.44 = 2,398.56 : x
  2. Step 2: Convert to fraction form
    5,478.24/8,215.44 = 2,398.56/x
  3. Step 3: Cross multiply
    5,478.24x = 8,215.44 × 2,398.56
  4. Step 4: Simplify right side
    5,478.24x = 19,705,225.77
  5. Step 5: Solve for x
    x = 19,705,225.77/5,478.24
  6. Step 6: Final answer
    x = 3,597.00

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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.