Home / 5,199.28-7,799.08-1,303.76

Finding the Fourth Proportional to 5,199.28, 7,799.08 and 1,303.76

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Solution

The fourth proportional to 5,199.28, 7,799.08 and 1,303.76 is: 1,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.28 : 7,799.08 = 1,303.76 : x
  2. Step 2: Convert to fraction form
    5,199.28/7,799.08 = 1,303.76/x
  3. Step 3: Cross multiply
    5,199.28x = 7,799.08 × 1,303.76
  4. Step 4: Simplify right side
    5,199.28x = 10,168,128.54
  5. Step 5: Solve for x
    x = 10,168,128.54/5,199.28
  6. Step 6: Final answer
    x = 1,955.68

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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.