Home / 4,559.21-6,839.12-1,439.36

Finding the Fourth Proportional to 4,559.21, 6,839.12 and 1,439.36

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Solution

The fourth proportional to 4,559.21, 6,839.12 and 1,439.36 is: 2,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,559.21 : 6,839.12 = 1,439.36 : x
  2. Step 2: Convert to fraction form
    4,559.21/6,839.12 = 1,439.36/x
  3. Step 3: Cross multiply
    4,559.21x = 6,839.12 × 1,439.36
  4. Step 4: Simplify right side
    4,559.21x = 9,843,925.17
  5. Step 5: Solve for x
    x = 9,843,925.17/4,559.21
  6. Step 6: Final answer
    x = 2,159.13

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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.