Home / 7,477.72-10,317.18-4,825.24

Finding the Fourth Proportional to 7,477.72, 10,317.18 and 4,825.24

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Solution

The fourth proportional to 7,477.72, 10,317.18 and 4,825.24 is: 6,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.72 : 10,317.18 = 4,825.24 : x
  2. Step 2: Convert to fraction form
    7,477.72/10,317.18 = 4,825.24/x
  3. Step 3: Cross multiply
    7,477.72x = 10,317.18 × 4,825.24
  4. Step 4: Simplify right side
    7,477.72x = 49,782,869.62
  5. Step 5: Solve for x
    x = 49,782,869.62/7,477.72
  6. Step 6: Final answer
    x = 6,657.49

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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.