Home / 8,712.08-13,045.44-4,811.12

Finding the Fourth Proportional to 8,712.08, 13,045.44 and 4,811.12

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Solution

The fourth proportional to 8,712.08, 13,045.44 and 4,811.12 is: 7,204.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.08 : 13,045.44 = 4,811.12 : x
  2. Step 2: Convert to fraction form
    8,712.08/13,045.44 = 4,811.12/x
  3. Step 3: Cross multiply
    8,712.08x = 13,045.44 × 4,811.12
  4. Step 4: Simplify right side
    8,712.08x = 62,763,177.29
  5. Step 5: Solve for x
    x = 62,763,177.29/8,712.08
  6. Step 6: Final answer
    x = 7,204.16

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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.