Home / 9,775.04-14,660.40-3,927.20

Finding the Fourth Proportional to 9,775.04, 14,660.40 and 3,927.20

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Solution

The fourth proportional to 9,775.04, 14,660.40 and 3,927.20 is: 5,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.04 : 14,660.40 = 3,927.20 : x
  2. Step 2: Convert to fraction form
    9,775.04/14,660.40 = 3,927.20/x
  3. Step 3: Cross multiply
    9,775.04x = 14,660.40 × 3,927.20
  4. Step 4: Simplify right side
    9,775.04x = 57,574,322.88
  5. Step 5: Solve for x
    x = 57,574,322.88/9,775.04
  6. Step 6: Final answer
    x = 5,889.93

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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.