Home / 7,479.36-10,322.64-4,956.48

Finding the Fourth Proportional to 7,479.36, 10,322.64 and 4,956.48

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Solution

The fourth proportional to 7,479.36, 10,322.64 and 4,956.48 is: 6,840.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.36 : 10,322.64 = 4,956.48 : x
  2. Step 2: Convert to fraction form
    7,479.36/10,322.64 = 4,956.48/x
  3. Step 3: Cross multiply
    7,479.36x = 10,322.64 × 4,956.48
  4. Step 4: Simplify right side
    7,479.36x = 51,163,958.71
  5. Step 5: Solve for x
    x = 51,163,958.71/7,479.36
  6. Step 6: Final answer
    x = 6,840.69

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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.