Home / 5,135.08-7,703.38-1,624.30

Finding the Fourth Proportional to 5,135.08, 7,703.38 and 1,624.30

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Solution

The fourth proportional to 5,135.08, 7,703.38 and 1,624.30 is: 2,436.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.08 : 7,703.38 = 1,624.30 : x
  2. Step 2: Convert to fraction form
    5,135.08/7,703.38 = 1,624.30/x
  3. Step 3: Cross multiply
    5,135.08x = 7,703.38 × 1,624.30
  4. Step 4: Simplify right side
    5,135.08x = 12,512,600.13
  5. Step 5: Solve for x
    x = 12,512,600.13/5,135.08
  6. Step 6: Final answer
    x = 2,436.69

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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.