Home / 7,785.51-10,744.11-4,248.69

Finding the Fourth Proportional to 7,785.51, 10,744.11 and 4,248.69

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Solution

The fourth proportional to 7,785.51, 10,744.11 and 4,248.69 is: 5,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.51 : 10,744.11 = 4,248.69 : x
  2. Step 2: Convert to fraction form
    7,785.51/10,744.11 = 4,248.69/x
  3. Step 3: Cross multiply
    7,785.51x = 10,744.11 × 4,248.69
  4. Step 4: Simplify right side
    7,785.51x = 45,648,392.72
  5. Step 5: Solve for x
    x = 45,648,392.72/7,785.51
  6. Step 6: Final answer
    x = 5,863.25

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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.