Home / 7,703.84-11,554.87-2,157.63

Finding the Fourth Proportional to 7,703.84, 11,554.87 and 2,157.63

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Solution

The fourth proportional to 7,703.84, 11,554.87 and 2,157.63 is: 3,236.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.84 : 11,554.87 = 2,157.63 : x
  2. Step 2: Convert to fraction form
    7,703.84/11,554.87 = 2,157.63/x
  3. Step 3: Cross multiply
    7,703.84x = 11,554.87 × 2,157.63
  4. Step 4: Simplify right side
    7,703.84x = 24,931,123.37
  5. Step 5: Solve for x
    x = 24,931,123.37/7,703.84
  6. Step 6: Final answer
    x = 3,236.19

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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.