Home / 4,726.79-7,090.58-1,439.92

Finding the Fourth Proportional to 4,726.79, 7,090.58 and 1,439.92

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Solution

The fourth proportional to 4,726.79, 7,090.58 and 1,439.92 is: 2,160.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.79 : 7,090.58 = 1,439.92 : x
  2. Step 2: Convert to fraction form
    4,726.79/7,090.58 = 1,439.92/x
  3. Step 3: Cross multiply
    4,726.79x = 7,090.58 × 1,439.92
  4. Step 4: Simplify right side
    4,726.79x = 10,209,853.83
  5. Step 5: Solve for x
    x = 10,209,853.83/4,726.79
  6. Step 6: Final answer
    x = 2,160.00

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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.