Home / 7,478.68-10,317.24-4,825.12

Finding the Fourth Proportional to 7,478.68, 10,317.24 and 4,825.12

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Solution

The fourth proportional to 7,478.68, 10,317.24 and 4,825.12 is: 6,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.68 : 10,317.24 = 4,825.12 : x
  2. Step 2: Convert to fraction form
    7,478.68/10,317.24 = 4,825.12/x
  3. Step 3: Cross multiply
    7,478.68x = 10,317.24 × 4,825.12
  4. Step 4: Simplify right side
    7,478.68x = 49,781,921.07
  5. Step 5: Solve for x
    x = 49,781,921.07/7,478.68
  6. Step 6: Final answer
    x = 6,656.51

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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.