Home / 7,782.89-10,740.39-4,246.16

Finding the Fourth Proportional to 7,782.89, 10,740.39 and 4,246.16

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Solution

The fourth proportional to 7,782.89, 10,740.39 and 4,246.16 is: 5,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.89 : 10,740.39 = 4,246.16 : x
  2. Step 2: Convert to fraction form
    7,782.89/10,740.39 = 4,246.16/x
  3. Step 3: Cross multiply
    7,782.89x = 10,740.39 × 4,246.16
  4. Step 4: Simplify right side
    7,782.89x = 45,605,360.70
  5. Step 5: Solve for x
    x = 45,605,360.70/7,782.89
  6. Step 6: Final answer
    x = 5,859.70

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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.