Home / 8,886.70-12,266.09-5,527.51

Finding the Fourth Proportional to 8,886.70, 12,266.09 and 5,527.51

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Solution

The fourth proportional to 8,886.70, 12,266.09 and 5,527.51 is: 7,629.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.70 : 12,266.09 = 5,527.51 : x
  2. Step 2: Convert to fraction form
    8,886.70/12,266.09 = 5,527.51/x
  3. Step 3: Cross multiply
    8,886.70x = 12,266.09 × 5,527.51
  4. Step 4: Simplify right side
    8,886.70x = 67,800,927.32
  5. Step 5: Solve for x
    x = 67,800,927.32/8,886.70
  6. Step 6: Final answer
    x = 7,629.48

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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.