Home / 8,778.08-13,155.48-3,842.35

Finding the Fourth Proportional to 8,778.08, 13,155.48 and 3,842.35

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Solution

The fourth proportional to 8,778.08, 13,155.48 and 3,842.35 is: 5,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.08 : 13,155.48 = 3,842.35 : x
  2. Step 2: Convert to fraction form
    8,778.08/13,155.48 = 3,842.35/x
  3. Step 3: Cross multiply
    8,778.08x = 13,155.48 × 3,842.35
  4. Step 4: Simplify right side
    8,778.08x = 50,547,925.69
  5. Step 5: Solve for x
    x = 50,547,925.69/8,778.08
  6. Step 6: Final answer
    x = 5,758.42

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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.