Home / 7,715.00-11,570.06-4,901.87

Finding the Fourth Proportional to 7,715.00, 11,570.06 and 4,901.87

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Solution

The fourth proportional to 7,715.00, 11,570.06 and 4,901.87 is: 7,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.00 : 11,570.06 = 4,901.87 : x
  2. Step 2: Convert to fraction form
    7,715.00/11,570.06 = 4,901.87/x
  3. Step 3: Cross multiply
    7,715.00x = 11,570.06 × 4,901.87
  4. Step 4: Simplify right side
    7,715.00x = 56,714,884.42
  5. Step 5: Solve for x
    x = 56,714,884.42/7,715.00
  6. Step 6: Final answer
    x = 7,351.25

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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.