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Finding the Fourth Proportional to 5,199.76, 7,798.78 and 1,501.00

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Solution

The fourth proportional to 5,199.76, 7,798.78 and 1,501.00 is: 2,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.76 : 7,798.78 = 1,501.00 : x
  2. Step 2: Convert to fraction form
    5,199.76/7,798.78 = 1,501.00/x
  3. Step 3: Cross multiply
    5,199.76x = 7,798.78 × 1,501.00
  4. Step 4: Simplify right side
    5,199.76x = 11,705,945.53
  5. Step 5: Solve for x
    x = 11,705,945.53/5,199.76
  6. Step 6: Final answer
    x = 2,251.25

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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.