Home / 8,898.78-13,349.85-3,705.18

Finding the Fourth Proportional to 8,898.78, 13,349.85 and 3,705.18

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Solution

The fourth proportional to 8,898.78, 13,349.85 and 3,705.18 is: 5,558.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.78 : 13,349.85 = 3,705.18 : x
  2. Step 2: Convert to fraction form
    8,898.78/13,349.85 = 3,705.18/x
  3. Step 3: Cross multiply
    8,898.78x = 13,349.85 × 3,705.18
  4. Step 4: Simplify right side
    8,898.78x = 49,463,597.22
  5. Step 5: Solve for x
    x = 49,463,597.22/8,898.78
  6. Step 6: Final answer
    x = 5,558.47

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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.