Home / 8,860.08-13,288.30-3,312.40

Finding the Fourth Proportional to 8,860.08, 13,288.30 and 3,312.40

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Solution

The fourth proportional to 8,860.08, 13,288.30 and 3,312.40 is: 4,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.08 : 13,288.30 = 3,312.40 : x
  2. Step 2: Convert to fraction form
    8,860.08/13,288.30 = 3,312.40/x
  3. Step 3: Cross multiply
    8,860.08x = 13,288.30 × 3,312.40
  4. Step 4: Simplify right side
    8,860.08x = 44,016,164.92
  5. Step 5: Solve for x
    x = 44,016,164.92/8,860.08
  6. Step 6: Final answer
    x = 4,967.92

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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.