Home / 9,756.20-14,631.60-3,913.40

Finding the Fourth Proportional to 9,756.20, 14,631.60 and 3,913.40

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Solution

The fourth proportional to 9,756.20, 14,631.60 and 3,913.40 is: 5,869.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.20 : 14,631.60 = 3,913.40 : x
  2. Step 2: Convert to fraction form
    9,756.20/14,631.60 = 3,913.40/x
  3. Step 3: Cross multiply
    9,756.20x = 14,631.60 × 3,913.40
  4. Step 4: Simplify right side
    9,756.20x = 57,259,303.44
  5. Step 5: Solve for x
    x = 57,259,303.44/9,756.20
  6. Step 6: Final answer
    x = 5,869.02

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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.