Home / 7,289.77-10,061.37-4,636.66

Finding the Fourth Proportional to 7,289.77, 10,061.37 and 4,636.66

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Solution

The fourth proportional to 7,289.77, 10,061.37 and 4,636.66 is: 6,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.77 : 10,061.37 = 4,636.66 : x
  2. Step 2: Convert to fraction form
    7,289.77/10,061.37 = 4,636.66/x
  3. Step 3: Cross multiply
    7,289.77x = 10,061.37 × 4,636.66
  4. Step 4: Simplify right side
    7,289.77x = 46,651,151.82
  5. Step 5: Solve for x
    x = 46,651,151.82/7,289.77
  6. Step 6: Final answer
    x = 6,399.54

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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.