Home / 5,676.51-8,515.65-2,390.53

Finding the Fourth Proportional to 5,676.51, 8,515.65 and 2,390.53

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Solution

The fourth proportional to 5,676.51, 8,515.65 and 2,390.53 is: 3,586.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.51 : 8,515.65 = 2,390.53 : x
  2. Step 2: Convert to fraction form
    5,676.51/8,515.65 = 2,390.53/x
  3. Step 3: Cross multiply
    5,676.51x = 8,515.65 × 2,390.53
  4. Step 4: Simplify right side
    5,676.51x = 20,356,916.79
  5. Step 5: Solve for x
    x = 20,356,916.79/5,676.51
  6. Step 6: Final answer
    x = 3,586.17

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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.