Home / 4,726.61-7,090.30-1,439.73

Finding the Fourth Proportional to 4,726.61, 7,090.30 and 1,439.73

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Solution

The fourth proportional to 4,726.61, 7,090.30 and 1,439.73 is: 2,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.61 : 7,090.30 = 1,439.73 : x
  2. Step 2: Convert to fraction form
    4,726.61/7,090.30 = 1,439.73/x
  3. Step 3: Cross multiply
    4,726.61x = 7,090.30 × 1,439.73
  4. Step 4: Simplify right side
    4,726.61x = 10,208,082.17
  5. Step 5: Solve for x
    x = 10,208,082.17/4,726.61
  6. Step 6: Final answer
    x = 2,159.71

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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.