Home / 5,114.61-7,671.93-1,416.72

Finding the Fourth Proportional to 5,114.61, 7,671.93 and 1,416.72

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Solution

The fourth proportional to 5,114.61, 7,671.93 and 1,416.72 is: 2,125.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.61 : 7,671.93 = 1,416.72 : x
  2. Step 2: Convert to fraction form
    5,114.61/7,671.93 = 1,416.72/x
  3. Step 3: Cross multiply
    5,114.61x = 7,671.93 × 1,416.72
  4. Step 4: Simplify right side
    5,114.61x = 10,868,976.67
  5. Step 5: Solve for x
    x = 10,868,976.67/5,114.61
  6. Step 6: Final answer
    x = 2,125.08

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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.