Home / 7,864.34-11,733.51-6,275.66

Finding the Fourth Proportional to 7,864.34, 11,733.51 and 6,275.66

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Solution

The fourth proportional to 7,864.34, 11,733.51 and 6,275.66 is: 9,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.34 : 11,733.51 = 6,275.66 : x
  2. Step 2: Convert to fraction form
    7,864.34/11,733.51 = 6,275.66/x
  3. Step 3: Cross multiply
    7,864.34x = 11,733.51 × 6,275.66
  4. Step 4: Simplify right side
    7,864.34x = 73,635,487.99
  5. Step 5: Solve for x
    x = 73,635,487.99/7,864.34
  6. Step 6: Final answer
    x = 9,363.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.