Home / 7,818.17-11,727.14-1,895.00

Finding the Fourth Proportional to 7,818.17, 11,727.14 and 1,895.00

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Solution

The fourth proportional to 7,818.17, 11,727.14 and 1,895.00 is: 2,842.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.17 : 11,727.14 = 1,895.00 : x
  2. Step 2: Convert to fraction form
    7,818.17/11,727.14 = 1,895.00/x
  3. Step 3: Cross multiply
    7,818.17x = 11,727.14 × 1,895.00
  4. Step 4: Simplify right side
    7,818.17x = 22,222,862.19
  5. Step 5: Solve for x
    x = 22,222,862.19/7,818.17
  6. Step 6: Final answer
    x = 2,842.47

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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.