Home / 7,756.32-11,587.28-4,960.64

Finding the Fourth Proportional to 7,756.32, 11,587.28 and 4,960.64

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Solution

The fourth proportional to 7,756.32, 11,587.28 and 4,960.64 is: 7,410.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.32 : 11,587.28 = 4,960.64 : x
  2. Step 2: Convert to fraction form
    7,756.32/11,587.28 = 4,960.64/x
  3. Step 3: Cross multiply
    7,756.32x = 11,587.28 × 4,960.64
  4. Step 4: Simplify right side
    7,756.32x = 57,480,324.66
  5. Step 5: Solve for x
    x = 57,480,324.66/7,756.32
  6. Step 6: Final answer
    x = 7,410.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.