Home / 4,400.63-6,602.42-1,439.21

Finding the Fourth Proportional to 4,400.63, 6,602.42 and 1,439.21

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Solution

The fourth proportional to 4,400.63, 6,602.42 and 1,439.21 is: 2,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.63 : 6,602.42 = 1,439.21 : x
  2. Step 2: Convert to fraction form
    4,400.63/6,602.42 = 1,439.21/x
  3. Step 3: Cross multiply
    4,400.63x = 6,602.42 × 1,439.21
  4. Step 4: Simplify right side
    4,400.63x = 9,502,265.29
  5. Step 5: Solve for x
    x = 9,502,265.29/4,400.63
  6. Step 6: Final answer
    x = 2,159.30

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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.