Home / 6,621.12-9,930.48-4,667.28

Finding the Fourth Proportional to 6,621.12, 9,930.48 and 4,667.28

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Solution

The fourth proportional to 6,621.12, 9,930.48 and 4,667.28 is: 7,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.12 : 9,930.48 = 4,667.28 : x
  2. Step 2: Convert to fraction form
    6,621.12/9,930.48 = 4,667.28/x
  3. Step 3: Cross multiply
    6,621.12x = 9,930.48 × 4,667.28
  4. Step 4: Simplify right side
    6,621.12x = 46,348,330.69
  5. Step 5: Solve for x
    x = 46,348,330.69/6,621.12
  6. Step 6: Final answer
    x = 7,000.07

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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.