Home / 7,117.47-10,671.87-3,652.83

Finding the Fourth Proportional to 7,117.47, 10,671.87 and 3,652.83

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Solution

The fourth proportional to 7,117.47, 10,671.87 and 3,652.83 is: 5,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.47 : 10,671.87 = 3,652.83 : x
  2. Step 2: Convert to fraction form
    7,117.47/10,671.87 = 3,652.83/x
  3. Step 3: Cross multiply
    7,117.47x = 10,671.87 × 3,652.83
  4. Step 4: Simplify right side
    7,117.47x = 38,982,526.89
  5. Step 5: Solve for x
    x = 38,982,526.89/7,117.47
  6. Step 6: Final answer
    x = 5,477.02

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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.