Home / 5,445.20-7,518.60-4,184.26

Finding the Fourth Proportional to 5,445.20, 7,518.60 and 4,184.26

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Solution

The fourth proportional to 5,445.20, 7,518.60 and 4,184.26 is: 5,777.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.20 : 7,518.60 = 4,184.26 : x
  2. Step 2: Convert to fraction form
    5,445.20/7,518.60 = 4,184.26/x
  3. Step 3: Cross multiply
    5,445.20x = 7,518.60 × 4,184.26
  4. Step 4: Simplify right side
    5,445.20x = 31,459,777.24
  5. Step 5: Solve for x
    x = 31,459,777.24/5,445.20
  6. Step 6: Final answer
    x = 5,777.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.