Home / 9,278.24-12,804.50-5,503.64

Finding the Fourth Proportional to 9,278.24, 12,804.50 and 5,503.64

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Solution

The fourth proportional to 9,278.24, 12,804.50 and 5,503.64 is: 7,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.24 : 12,804.50 = 5,503.64 : x
  2. Step 2: Convert to fraction form
    9,278.24/12,804.50 = 5,503.64/x
  3. Step 3: Cross multiply
    9,278.24x = 12,804.50 × 5,503.64
  4. Step 4: Simplify right side
    9,278.24x = 70,471,358.38
  5. Step 5: Solve for x
    x = 70,471,358.38/9,278.24
  6. Step 6: Final answer
    x = 7,595.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.