Home / 5,158.64-7,735.98-2,386.76

Finding the Fourth Proportional to 5,158.64, 7,735.98 and 2,386.76

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Solution

The fourth proportional to 5,158.64, 7,735.98 and 2,386.76 is: 3,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.64 : 7,735.98 = 2,386.76 : x
  2. Step 2: Convert to fraction form
    5,158.64/7,735.98 = 2,386.76/x
  3. Step 3: Cross multiply
    5,158.64x = 7,735.98 × 2,386.76
  4. Step 4: Simplify right side
    5,158.64x = 18,463,927.62
  5. Step 5: Solve for x
    x = 18,463,927.62/5,158.64
  6. Step 6: Final answer
    x = 3,579.22

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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.