Home / 8,718.95-13,065.66-4,330.37

Finding the Fourth Proportional to 8,718.95, 13,065.66 and 4,330.37

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Solution

The fourth proportional to 8,718.95, 13,065.66 and 4,330.37 is: 6,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.95 : 13,065.66 = 4,330.37 : x
  2. Step 2: Convert to fraction form
    8,718.95/13,065.66 = 4,330.37/x
  3. Step 3: Cross multiply
    8,718.95x = 13,065.66 × 4,330.37
  4. Step 4: Simplify right side
    8,718.95x = 56,579,076.77
  5. Step 5: Solve for x
    x = 56,579,076.77/8,718.95
  6. Step 6: Final answer
    x = 6,489.21

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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.