Home / 7,151.24-9,866.39-4,635.32

Finding the Fourth Proportional to 7,151.24, 9,866.39 and 4,635.32

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Solution

The fourth proportional to 7,151.24, 9,866.39 and 4,635.32 is: 6,395.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.24 : 9,866.39 = 4,635.32 : x
  2. Step 2: Convert to fraction form
    7,151.24/9,866.39 = 4,635.32/x
  3. Step 3: Cross multiply
    7,151.24x = 9,866.39 × 4,635.32
  4. Step 4: Simplify right side
    7,151.24x = 45,733,802.39
  5. Step 5: Solve for x
    x = 45,733,802.39/7,151.24
  6. Step 6: Final answer
    x = 6,395.23

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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.