Home / 5,278.32-7,270.56-4,438.08

Finding the Fourth Proportional to 5,278.32, 7,270.56 and 4,438.08

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Solution

The fourth proportional to 5,278.32, 7,270.56 and 4,438.08 is: 6,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.32 : 7,270.56 = 4,438.08 : x
  2. Step 2: Convert to fraction form
    5,278.32/7,270.56 = 4,438.08/x
  3. Step 3: Cross multiply
    5,278.32x = 7,270.56 × 4,438.08
  4. Step 4: Simplify right side
    5,278.32x = 32,267,326.92
  5. Step 5: Solve for x
    x = 32,267,326.92/5,278.32
  6. Step 6: Final answer
    x = 6,113.18

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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.