Home / 6,289.05-8,678.52-3,637.29

Finding the Fourth Proportional to 6,289.05, 8,678.52 and 3,637.29

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Solution

The fourth proportional to 6,289.05, 8,678.52 and 3,637.29 is: 5,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.05 : 8,678.52 = 3,637.29 : x
  2. Step 2: Convert to fraction form
    6,289.05/8,678.52 = 3,637.29/x
  3. Step 3: Cross multiply
    6,289.05x = 8,678.52 × 3,637.29
  4. Step 4: Simplify right side
    6,289.05x = 31,566,294.01
  5. Step 5: Solve for x
    x = 31,566,294.01/6,289.05
  6. Step 6: Final answer
    x = 5,019.25

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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.