Home / 7,731.32-11,587.50-4,428.35

Finding the Fourth Proportional to 7,731.32, 11,587.50 and 4,428.35

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Solution

The fourth proportional to 7,731.32, 11,587.50 and 4,428.35 is: 6,637.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.32 : 11,587.50 = 4,428.35 : x
  2. Step 2: Convert to fraction form
    7,731.32/11,587.50 = 4,428.35/x
  3. Step 3: Cross multiply
    7,731.32x = 11,587.50 × 4,428.35
  4. Step 4: Simplify right side
    7,731.32x = 51,313,447.69
  5. Step 5: Solve for x
    x = 51,313,447.69/7,731.32
  6. Step 6: Final answer
    x = 6,637.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.