Home / 4,726.79-7,088.12-1,439.11

Finding the Fourth Proportional to 4,726.79, 7,088.12 and 1,439.11

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Solution

The fourth proportional to 4,726.79, 7,088.12 and 1,439.11 is: 2,158.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.79 : 7,088.12 = 1,439.11 : x
  2. Step 2: Convert to fraction form
    4,726.79/7,088.12 = 1,439.11/x
  3. Step 3: Cross multiply
    4,726.79x = 7,088.12 × 1,439.11
  4. Step 4: Simplify right side
    4,726.79x = 10,200,579.59
  5. Step 5: Solve for x
    x = 10,200,579.59/4,726.79
  6. Step 6: Final answer
    x = 2,158.04

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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.