Home / 5,089.84-7,024.32-2,851.81

Finding the Fourth Proportional to 5,089.84, 7,024.32 and 2,851.81

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Solution

The fourth proportional to 5,089.84, 7,024.32 and 2,851.81 is: 3,935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.84 : 7,024.32 = 2,851.81 : x
  2. Step 2: Convert to fraction form
    5,089.84/7,024.32 = 2,851.81/x
  3. Step 3: Cross multiply
    5,089.84x = 7,024.32 × 2,851.81
  4. Step 4: Simplify right side
    5,089.84x = 20,032,008.46
  5. Step 5: Solve for x
    x = 20,032,008.46/5,089.84
  6. Step 6: Final answer
    x = 3,935.69

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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.