Home / 8,888.08-12,265.68-5,162.08

Finding the Fourth Proportional to 8,888.08, 12,265.68 and 5,162.08

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Solution

The fourth proportional to 8,888.08, 12,265.68 and 5,162.08 is: 7,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.08 : 12,265.68 = 5,162.08 : x
  2. Step 2: Convert to fraction form
    8,888.08/12,265.68 = 5,162.08/x
  3. Step 3: Cross multiply
    8,888.08x = 12,265.68 × 5,162.08
  4. Step 4: Simplify right side
    8,888.08x = 63,316,421.41
  5. Step 5: Solve for x
    x = 63,316,421.41/8,888.08
  6. Step 6: Final answer
    x = 7,123.75

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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.