Home / 8,864.34-12,236.84-6,313.74

Finding the Fourth Proportional to 8,864.34, 12,236.84 and 6,313.74

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Solution

The fourth proportional to 8,864.34, 12,236.84 and 6,313.74 is: 8,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.34 : 12,236.84 = 6,313.74 : x
  2. Step 2: Convert to fraction form
    8,864.34/12,236.84 = 6,313.74/x
  3. Step 3: Cross multiply
    8,864.34x = 12,236.84 × 6,313.74
  4. Step 4: Simplify right side
    8,864.34x = 77,260,225.20
  5. Step 5: Solve for x
    x = 77,260,225.20/8,864.34
  6. Step 6: Final answer
    x = 8,715.84

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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.