Home / 5,158.60-7,739.21-2,387.27

Finding the Fourth Proportional to 5,158.60, 7,739.21 and 2,387.27

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Solution

The fourth proportional to 5,158.60, 7,739.21 and 2,387.27 is: 3,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.60 : 7,739.21 = 2,387.27 : x
  2. Step 2: Convert to fraction form
    5,158.60/7,739.21 = 2,387.27/x
  3. Step 3: Cross multiply
    5,158.60x = 7,739.21 × 2,387.27
  4. Step 4: Simplify right side
    5,158.60x = 18,475,533.22
  5. Step 5: Solve for x
    x = 18,475,533.22/5,158.60
  6. Step 6: Final answer
    x = 3,581.50

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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.