Home / 8,583.63-11,856.96-6,718.87

Finding the Fourth Proportional to 8,583.63, 11,856.96 and 6,718.87

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Solution

The fourth proportional to 8,583.63, 11,856.96 and 6,718.87 is: 9,281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.63 : 11,856.96 = 6,718.87 : x
  2. Step 2: Convert to fraction form
    8,583.63/11,856.96 = 6,718.87/x
  3. Step 3: Cross multiply
    8,583.63x = 11,856.96 × 6,718.87
  4. Step 4: Simplify right side
    8,583.63x = 79,665,402.11
  5. Step 5: Solve for x
    x = 79,665,402.11/8,583.63
  6. Step 6: Final answer
    x = 9,281.08

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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.