Home / 7,127.13-9,838.96-4,476.00

Finding the Fourth Proportional to 7,127.13, 9,838.96 and 4,476.00

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Solution

The fourth proportional to 7,127.13, 9,838.96 and 4,476.00 is: 6,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.13 : 9,838.96 = 4,476.00 : x
  2. Step 2: Convert to fraction form
    7,127.13/9,838.96 = 4,476.00/x
  3. Step 3: Cross multiply
    7,127.13x = 9,838.96 × 4,476.00
  4. Step 4: Simplify right side
    7,127.13x = 44,039,210.67
  5. Step 5: Solve for x
    x = 44,039,210.67/7,127.13
  6. Step 6: Final answer
    x = 6,179.09

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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.