Home / 7,212.40-10,822.88-2,595.76

Finding the Fourth Proportional to 7,212.40, 10,822.88 and 2,595.76

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Solution

The fourth proportional to 7,212.40, 10,822.88 and 2,595.76 is: 3,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.40 : 10,822.88 = 2,595.76 : x
  2. Step 2: Convert to fraction form
    7,212.40/10,822.88 = 2,595.76/x
  3. Step 3: Cross multiply
    7,212.40x = 10,822.88 × 2,595.76
  4. Step 4: Simplify right side
    7,212.40x = 28,093,598.99
  5. Step 5: Solve for x
    x = 28,093,598.99/7,212.40
  6. Step 6: Final answer
    x = 3,895.18

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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.