Home / 4,088.79-6,133.25-1,127.21

Finding the Fourth Proportional to 4,088.79, 6,133.25 and 1,127.21

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Solution

The fourth proportional to 4,088.79, 6,133.25 and 1,127.21 is: 1,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.79 : 6,133.25 = 1,127.21 : x
  2. Step 2: Convert to fraction form
    4,088.79/6,133.25 = 1,127.21/x
  3. Step 3: Cross multiply
    4,088.79x = 6,133.25 × 1,127.21
  4. Step 4: Simplify right side
    4,088.79x = 6,913,424.43
  5. Step 5: Solve for x
    x = 6,913,424.43/4,088.79
  6. Step 6: Final answer
    x = 1,690.82

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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.