Home / 4,320.44-6,480.58-1,398.74

Finding the Fourth Proportional to 4,320.44, 6,480.58 and 1,398.74

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Solution

The fourth proportional to 4,320.44, 6,480.58 and 1,398.74 is: 2,098.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.44 : 6,480.58 = 1,398.74 : x
  2. Step 2: Convert to fraction form
    4,320.44/6,480.58 = 1,398.74/x
  3. Step 3: Cross multiply
    4,320.44x = 6,480.58 × 1,398.74
  4. Step 4: Simplify right side
    4,320.44x = 9,064,607.07
  5. Step 5: Solve for x
    x = 9,064,607.07/4,320.44
  6. Step 6: Final answer
    x = 2,098.08

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