Home / 8,484.08-12,709.55-5,553.50

Finding the Fourth Proportional to 8,484.08, 12,709.55 and 5,553.50

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Solution

The fourth proportional to 8,484.08, 12,709.55 and 5,553.50 is: 8,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.08 : 12,709.55 = 5,553.50 : x
  2. Step 2: Convert to fraction form
    8,484.08/12,709.55 = 5,553.50/x
  3. Step 3: Cross multiply
    8,484.08x = 12,709.55 × 5,553.50
  4. Step 4: Simplify right side
    8,484.08x = 70,582,436.26
  5. Step 5: Solve for x
    x = 70,582,436.26/8,484.08
  6. Step 6: Final answer
    x = 8,319.40

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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.