Home / 5,259.12-7,888.59-1,563.85

Finding the Fourth Proportional to 5,259.12, 7,888.59 and 1,563.85

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Solution

The fourth proportional to 5,259.12, 7,888.59 and 1,563.85 is: 2,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.12 : 7,888.59 = 1,563.85 : x
  2. Step 2: Convert to fraction form
    5,259.12/7,888.59 = 1,563.85/x
  3. Step 3: Cross multiply
    5,259.12x = 7,888.59 × 1,563.85
  4. Step 4: Simplify right side
    5,259.12x = 12,336,571.47
  5. Step 5: Solve for x
    x = 12,336,571.47/5,259.12
  6. Step 6: Final answer
    x = 2,345.75

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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.