Home / 9,753.09-14,621.40-3,913.80

Finding the Fourth Proportional to 9,753.09, 14,621.40 and 3,913.80

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Solution

The fourth proportional to 9,753.09, 14,621.40 and 3,913.80 is: 5,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,753.09 : 14,621.40 = 3,913.80 : x
  2. Step 2: Convert to fraction form
    9,753.09/14,621.40 = 3,913.80/x
  3. Step 3: Cross multiply
    9,753.09x = 14,621.40 × 3,913.80
  4. Step 4: Simplify right side
    9,753.09x = 57,225,235.32
  5. Step 5: Solve for x
    x = 57,225,235.32/9,753.09
  6. Step 6: Final answer
    x = 5,867.40

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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.