Home / 8,660.79-11,951.85-4,681.87

Finding the Fourth Proportional to 8,660.79, 11,951.85 and 4,681.87

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Solution

The fourth proportional to 8,660.79, 11,951.85 and 4,681.87 is: 6,460.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.79 : 11,951.85 = 4,681.87 : x
  2. Step 2: Convert to fraction form
    8,660.79/11,951.85 = 4,681.87/x
  3. Step 3: Cross multiply
    8,660.79x = 11,951.85 × 4,681.87
  4. Step 4: Simplify right side
    8,660.79x = 55,956,924.79
  5. Step 5: Solve for x
    x = 55,956,924.79/8,660.79
  6. Step 6: Final answer
    x = 6,460.95

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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.