Home / 5,426.64-7,484.40-3,657.60

Finding the Fourth Proportional to 5,426.64, 7,484.40 and 3,657.60

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Solution

The fourth proportional to 5,426.64, 7,484.40 and 3,657.60 is: 5,044.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.64 : 7,484.40 = 3,657.60 : x
  2. Step 2: Convert to fraction form
    5,426.64/7,484.40 = 3,657.60/x
  3. Step 3: Cross multiply
    5,426.64x = 7,484.40 × 3,657.60
  4. Step 4: Simplify right side
    5,426.64x = 27,374,941.44
  5. Step 5: Solve for x
    x = 27,374,941.44/5,426.64
  6. Step 6: Final answer
    x = 5,044.55

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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.