Home / 7,577.28-10,456.32-5,477.76

Finding the Fourth Proportional to 7,577.28, 10,456.32 and 5,477.76

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Solution

The fourth proportional to 7,577.28, 10,456.32 and 5,477.76 is: 7,559.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.28 : 10,456.32 = 5,477.76 : x
  2. Step 2: Convert to fraction form
    7,577.28/10,456.32 = 5,477.76/x
  3. Step 3: Cross multiply
    7,577.28x = 10,456.32 × 5,477.76
  4. Step 4: Simplify right side
    7,577.28x = 57,277,211.44
  5. Step 5: Solve for x
    x = 57,277,211.44/7,577.28
  6. Step 6: Final answer
    x = 7,559.07

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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.