Home / 4,726.39-7,090.61-1,439.39

Finding the Fourth Proportional to 4,726.39, 7,090.61 and 1,439.39

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Solution

The fourth proportional to 4,726.39, 7,090.61 and 1,439.39 is: 2,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.39 : 7,090.61 = 1,439.39 : x
  2. Step 2: Convert to fraction form
    4,726.39/7,090.61 = 1,439.39/x
  3. Step 3: Cross multiply
    4,726.39x = 7,090.61 × 1,439.39
  4. Step 4: Simplify right side
    4,726.39x = 10,206,176.95
  5. Step 5: Solve for x
    x = 10,206,176.95/4,726.39
  6. Step 6: Final answer
    x = 2,159.40

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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.