Home / 4,321.04-6,479.93-1,398.56

Finding the Fourth Proportional to 4,321.04, 6,479.93 and 1,398.56

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Solution

The fourth proportional to 4,321.04, 6,479.93 and 1,398.56 is: 2,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.04 : 6,479.93 = 1,398.56 : x
  2. Step 2: Convert to fraction form
    4,321.04/6,479.93 = 1,398.56/x
  3. Step 3: Cross multiply
    4,321.04x = 6,479.93 × 1,398.56
  4. Step 4: Simplify right side
    4,321.04x = 9,062,590.60
  5. Step 5: Solve for x
    x = 9,062,590.60/4,321.04
  6. Step 6: Final answer
    x = 2,097.32

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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.