Home / 5,122.24-7,686.48-3,437.44

Finding the Fourth Proportional to 5,122.24, 7,686.48 and 3,437.44

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Solution

The fourth proportional to 5,122.24, 7,686.48 and 3,437.44 is: 5,158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.24 : 7,686.48 = 3,437.44 : x
  2. Step 2: Convert to fraction form
    5,122.24/7,686.48 = 3,437.44/x
  3. Step 3: Cross multiply
    5,122.24x = 7,686.48 × 3,437.44
  4. Step 4: Simplify right side
    5,122.24x = 26,421,813.81
  5. Step 5: Solve for x
    x = 26,421,813.81/5,122.24
  6. Step 6: Final answer
    x = 5,158.25

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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.