Home / 7,477.87-10,319.18-4,288.97

Finding the Fourth Proportional to 7,477.87, 10,319.18 and 4,288.97

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Solution

The fourth proportional to 7,477.87, 10,319.18 and 4,288.97 is: 5,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.87 : 10,319.18 = 4,288.97 : x
  2. Step 2: Convert to fraction form
    7,477.87/10,319.18 = 4,288.97/x
  3. Step 3: Cross multiply
    7,477.87x = 10,319.18 × 4,288.97
  4. Step 4: Simplify right side
    7,477.87x = 44,258,632.00
  5. Step 5: Solve for x
    x = 44,258,632.00/7,477.87
  6. Step 6: Final answer
    x = 5,918.62

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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.