Home / 5,045.40-7,568.32-1,758.76

Finding the Fourth Proportional to 5,045.40, 7,568.32 and 1,758.76

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Solution

The fourth proportional to 5,045.40, 7,568.32 and 1,758.76 is: 2,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.40 : 7,568.32 = 1,758.76 : x
  2. Step 2: Convert to fraction form
    5,045.40/7,568.32 = 1,758.76/x
  3. Step 3: Cross multiply
    5,045.40x = 7,568.32 × 1,758.76
  4. Step 4: Simplify right side
    5,045.40x = 13,310,858.48
  5. Step 5: Solve for x
    x = 13,310,858.48/5,045.40
  6. Step 6: Final answer
    x = 2,638.22

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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.