Home / 4,607.60-6,911.71-1,320.62

Finding the Fourth Proportional to 4,607.60, 6,911.71 and 1,320.62

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Solution

The fourth proportional to 4,607.60, 6,911.71 and 1,320.62 is: 1,981.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.60 : 6,911.71 = 1,320.62 : x
  2. Step 2: Convert to fraction form
    4,607.60/6,911.71 = 1,320.62/x
  3. Step 3: Cross multiply
    4,607.60x = 6,911.71 × 1,320.62
  4. Step 4: Simplify right side
    4,607.60x = 9,127,704.60
  5. Step 5: Solve for x
    x = 9,127,704.60/4,607.60
  6. Step 6: Final answer
    x = 1,981.01

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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.