Home / 4,607.10-6,911.82-1,320.39

Finding the Fourth Proportional to 4,607.10, 6,911.82 and 1,320.39

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Solution

The fourth proportional to 4,607.10, 6,911.82 and 1,320.39 is: 1,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.10 : 6,911.82 = 1,320.39 : x
  2. Step 2: Convert to fraction form
    4,607.10/6,911.82 = 1,320.39/x
  3. Step 3: Cross multiply
    4,607.10x = 6,911.82 × 1,320.39
  4. Step 4: Simplify right side
    4,607.10x = 9,126,298.01
  5. Step 5: Solve for x
    x = 9,126,298.01/4,607.10
  6. Step 6: Final answer
    x = 1,980.92

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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.