Home / 6,637.79-9,150.32-4,247.51

Finding the Fourth Proportional to 6,637.79, 9,150.32 and 4,247.51

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Solution

The fourth proportional to 6,637.79, 9,150.32 and 4,247.51 is: 5,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.79 : 9,150.32 = 4,247.51 : x
  2. Step 2: Convert to fraction form
    6,637.79/9,150.32 = 4,247.51/x
  3. Step 3: Cross multiply
    6,637.79x = 9,150.32 × 4,247.51
  4. Step 4: Simplify right side
    6,637.79x = 38,866,040.57
  5. Step 5: Solve for x
    x = 38,866,040.57/6,637.79
  6. Step 6: Final answer
    x = 5,855.27

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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.