Home / 6,799.20-10,189.20-5,030.40

Finding the Fourth Proportional to 6,799.20, 10,189.20 and 5,030.40

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Solution

The fourth proportional to 6,799.20, 10,189.20 and 5,030.40 is: 7,538.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799.20 : 10,189.20 = 5,030.40 : x
  2. Step 2: Convert to fraction form
    6,799.20/10,189.20 = 5,030.40/x
  3. Step 3: Cross multiply
    6,799.20x = 10,189.20 × 5,030.40
  4. Step 4: Simplify right side
    6,799.20x = 51,255,751.68
  5. Step 5: Solve for x
    x = 51,255,751.68/6,799.20
  6. Step 6: Final answer
    x = 7,538.50

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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.