Home / 10,352.79-15,529.00-2,561.60

Finding the Fourth Proportional to 10,352.79, 15,529.00 and 2,561.60

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Solution

The fourth proportional to 10,352.79, 15,529.00 and 2,561.60 is: 3,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.79 : 15,529.00 = 2,561.60 : x
  2. Step 2: Convert to fraction form
    10,352.79/15,529.00 = 2,561.60/x
  3. Step 3: Cross multiply
    10,352.79x = 15,529.00 × 2,561.60
  4. Step 4: Simplify right side
    10,352.79x = 39,778,995.95
  5. Step 5: Solve for x
    x = 39,778,995.95/10,352.79
  6. Step 6: Final answer
    x = 3,842.35

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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.