Home / 7,816.30-11,726.98-2,886.64

Finding the Fourth Proportional to 7,816.30, 11,726.98 and 2,886.64

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Solution

The fourth proportional to 7,816.30, 11,726.98 and 2,886.64 is: 4,330.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.30 : 11,726.98 = 2,886.64 : x
  2. Step 2: Convert to fraction form
    7,816.30/11,726.98 = 2,886.64/x
  3. Step 3: Cross multiply
    7,816.30x = 11,726.98 × 2,886.64
  4. Step 4: Simplify right side
    7,816.30x = 33,851,533.01
  5. Step 5: Solve for x
    x = 33,851,533.01/7,816.30
  6. Step 6: Final answer
    x = 4,330.89

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1.5x scale

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.