Home / 5,316.11-7,970.56-2,977.72

Finding the Fourth Proportional to 5,316.11, 7,970.56 and 2,977.72

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Solution

The fourth proportional to 5,316.11, 7,970.56 and 2,977.72 is: 4,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.11 : 7,970.56 = 2,977.72 : x
  2. Step 2: Convert to fraction form
    5,316.11/7,970.56 = 2,977.72/x
  3. Step 3: Cross multiply
    5,316.11x = 7,970.56 × 2,977.72
  4. Step 4: Simplify right side
    5,316.11x = 23,734,081.03
  5. Step 5: Solve for x
    x = 23,734,081.03/5,316.11
  6. Step 6: Final answer
    x = 4,464.56

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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.