Home / 8,707.16-13,063.68-2,864.72

Finding the Fourth Proportional to 8,707.16, 13,063.68 and 2,864.72

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Solution

The fourth proportional to 8,707.16, 13,063.68 and 2,864.72 is: 4,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.16 : 13,063.68 = 2,864.72 : x
  2. Step 2: Convert to fraction form
    8,707.16/13,063.68 = 2,864.72/x
  3. Step 3: Cross multiply
    8,707.16x = 13,063.68 × 2,864.72
  4. Step 4: Simplify right side
    8,707.16x = 37,423,785.37
  5. Step 5: Solve for x
    x = 37,423,785.37/8,707.16
  6. Step 6: Final answer
    x = 4,298.05

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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.