Home / 5,239.10-7,858.29-1,950.68

Finding the Fourth Proportional to 5,239.10, 7,858.29 and 1,950.68

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Solution

The fourth proportional to 5,239.10, 7,858.29 and 1,950.68 is: 2,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.10 : 7,858.29 = 1,950.68 : x
  2. Step 2: Convert to fraction form
    5,239.10/7,858.29 = 1,950.68/x
  3. Step 3: Cross multiply
    5,239.10x = 7,858.29 × 1,950.68
  4. Step 4: Simplify right side
    5,239.10x = 15,329,036.10
  5. Step 5: Solve for x
    x = 15,329,036.10/5,239.10
  6. Step 6: Final answer
    x = 2,925.89

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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.