Home / 5,389.10-8,083.65-1,925.66

Finding the Fourth Proportional to 5,389.10, 8,083.65 and 1,925.66

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Solution

The fourth proportional to 5,389.10, 8,083.65 and 1,925.66 is: 2,888.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.10 : 8,083.65 = 1,925.66 : x
  2. Step 2: Convert to fraction form
    5,389.10/8,083.65 = 1,925.66/x
  3. Step 3: Cross multiply
    5,389.10x = 8,083.65 × 1,925.66
  4. Step 4: Simplify right side
    5,389.10x = 15,566,361.46
  5. Step 5: Solve for x
    x = 15,566,361.46/5,389.10
  6. Step 6: Final answer
    x = 2,888.49

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Similar ratio
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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.