Home / 8,886.05-12,260.87-5,300.06

Finding the Fourth Proportional to 8,886.05, 12,260.87 and 5,300.06

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Solution

The fourth proportional to 8,886.05, 12,260.87 and 5,300.06 is: 7,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.05 : 12,260.87 = 5,300.06 : x
  2. Step 2: Convert to fraction form
    8,886.05/12,260.87 = 5,300.06/x
  3. Step 3: Cross multiply
    8,886.05x = 12,260.87 × 5,300.06
  4. Step 4: Simplify right side
    8,886.05x = 64,983,313.21
  5. Step 5: Solve for x
    x = 64,983,313.21/8,886.05
  6. Step 6: Final answer
    x = 7,312.95

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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.