Home / 4,989.33-7,484.05-2,391.66

Finding the Fourth Proportional to 4,989.33, 7,484.05 and 2,391.66

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Solution

The fourth proportional to 4,989.33, 7,484.05 and 2,391.66 is: 3,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.33 : 7,484.05 = 2,391.66 : x
  2. Step 2: Convert to fraction form
    4,989.33/7,484.05 = 2,391.66/x
  3. Step 3: Cross multiply
    4,989.33x = 7,484.05 × 2,391.66
  4. Step 4: Simplify right side
    4,989.33x = 17,899,303.02
  5. Step 5: Solve for x
    x = 17,899,303.02/4,989.33
  6. Step 6: Final answer
    x = 3,587.52

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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.