Home / 7,445.60-11,168.48-1,898.96

Finding the Fourth Proportional to 7,445.60, 11,168.48 and 1,898.96

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Solution

The fourth proportional to 7,445.60, 11,168.48 and 1,898.96 is: 2,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.60 : 11,168.48 = 1,898.96 : x
  2. Step 2: Convert to fraction form
    7,445.60/11,168.48 = 1,898.96/x
  3. Step 3: Cross multiply
    7,445.60x = 11,168.48 × 1,898.96
  4. Step 4: Simplify right side
    7,445.60x = 21,208,496.78
  5. Step 5: Solve for x
    x = 21,208,496.78/7,445.60
  6. Step 6: Final answer
    x = 2,848.46

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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.